Serving outside interests and internal elites rather than popular majorities, many postcolonial African leaders were autocrats who used state resources to bind loyalists to them in a system called neopatrimonialism.4 Weakened by corruption and mismanagement, their governments clung to power through repression, co-optation, and fraud. Since colonial times, African countries had exported cheap primary commodities and imported expensive manufactured goods. Following the worldwide economic crises of the 1970s and 1980s, they faced crushing debts. They turned to international financial institutions and foreign banks and governments for relief. Embracing a market-oriented economic model known as neoliberalism, these Western-dominated entities required African countries to reduce state involvement in the economy as a condition for loans.5 Such policies imposed the greatest burdens on the poor, provoking food and fuel shortages, inflation, and unemployment. Economic hardship, political repression, and widespread corruption, which exacerbated growing income gaps, led to a continentwide surge of prodemocracy movements in the early 1990s. Popular forces increasingly challenged repressive regimes, demanding fundamental political and economic reforms.
As their economies went into a tailspin, neopatrimonial states could no longer perform their basic functions: monopolizing the means of coercion, safeguarding their territories, and providing protection and social services to their citizens. Weakened leaders lost the means to appease their loyalists with power and resources. Dictators once bolstered by outside powers were swept away as internal prodemocracy forces struggled with warlords and other strongmen to control the political process.6 The ensuing chaos provided fertile ground for a new wave of foreign intervention, both internal and external to the continent. Resource-rich countries were particularly vulnerable as outsiders fought to control the production and flow of oil, natural gas, and strategic minerals.
During the 1990s and the early twenty-first century, extracontinental powers, neighboring states, and subregional, regional, and global organizations became entangled in numerous African conflicts, supporting governments and rebel movements as well as war-making and peace-building processes. Although countries outside the continent continued to involve themselves in African affairs, the most consequential foreign intervention during this period was intracontinental. A number of African states, sometimes assisted by extracontinental powers, supported warlords, dictators, and dissident movements in neighboring countries and fought for control of their neighbors’ resources. The United Nations (UN), the African Union (AU), and various subregional organizations regularly intervened to broker, monitor, and enforce peace agreements.7 However, conflicting interests, corrupt practices, and human rights abuses by some member states at times worsened the strife.
The launch of the war on terror following the 2001 terrorist attacks on the United States brought new forms of intervention to Africa. Washington cultivated alliances with African governments and trained and equipped their militaries to assist in the US counterterrorism agenda. Some of these governments, like their Cold War predecessors, used US training and equipment to quash internal opposition. The United States also intensified unconventional military actions on the continent, deploying Special Operations Forces and utilizing unmanned drones outside of established war zones. US support for repressive regimes, warlords, and foreign occupiers sometimes intensified local support for antigovernment insurgencies. International terrorist networks often seized the opportunity to harness local grievances and expand into territories they previously had not penetrated.
The Arab Spring (2011–13) generated another wave of external involvement as prodemocracy demonstrators and rebel movements ousted repressive rulers across North Africa and the Middle East. Extracontinental organizations, political powers, and networks responded to the instability with both unilateral and multilateral actions, allying themselves with forces they hoped would protect their long-term interests. International terrorist networks led by al-Qaeda and its Iraqi offshoot, the Islamic State, took advantage of local grievances to support a wide range of violent extremists, including drug smugglers, human traffickers, and petty criminals, as well as indigenous groups fighting secular or supposedly impious Muslim governments.
The societal breakdown that characterized the late Cold War and early post–Cold War periods resulted in the emergence of two new rationales for foreign intervention: response to instability—with its corollary, responsibility to protect—and the war on terror. Military intervention in a number of African countries was justified on the grounds that their domestic instability threatened international peace and security. In some cases, where large numbers of civilians were at risk and population displacement exacerbated regional tensions, the response to instability was reinforced by claims of the responsibility to protect. A relatively new international legal norm, this standard holds nation-states accountable for securing their citizens against “genocide, war crimes, ethnic cleansing and crimes against humanity” and grants the international community the right to intervene if governments fail to fulfill their “responsibility to protect.”8 Emerging from the post–World War II expansion of democratic values and concern for human rights, the principle gained support after the Cold War, when internal breakdown in Eastern Europe, Central Asia, and Africa forced the international community to rethink its allegiance to the seventeenth-century principle of state sovereignty. In 2005, UN member states concluded that a state’s failure to protect its citizens could warrant foreign intervention.
The war on terror, which is generally associated with the George W. Bush administration and the 9/11 attacks, had roots in the late Cold War period. During the Cold War, the United States often deployed religion in the struggle against communism. The US Central Intelligence Agency (CIA) backed conservative Christian parties in Europe after World War II, hoping to undermine the appeal of communism to populations devastated by the war. In the Middle East, the CIA countered radical nationalism—which it erroneously conflated with communism—by supporting autocratic Muslim regimes that shared Western interests in opposing communism and in controlling the region’s enormous oil wealth. Where radical nationalists came to power, their secular regimes were frequently challenged by local Islamists, who believed that Islamic religious principles should serve as the basis of the social, political, and legal order.9 The secular regimes frequently responded with repression, arresting and imprisoning Islamists and forcing others to flee into exile. When the Soviet Union invaded Afghanistan in 1979 to shore up its regional interests, the United States seized the opportunity to rally support from a Muslim minority who had turned to violence to achieve their ends. In collaboration with Saudi Arabia, Pakistan, and other allies, the United States mobilized a multinational coalition that recruited, trained, armed, and financed Muslim militants from around the world to fight the 1979–89 Soviet occupation of Afghanistan. After Soviet withdrawal, the militants dispersed, taking their weapons and terror tactics to new battlegrounds around the globe. Osama bin Laden, founder and patron of al-Qaeda, was among the most prominent of the Soviet-Afghan War veterans who spearheaded the emerging terrorist networks. In the 1990s, his organization was responsible for a number of attacks on US citizens and property, culminating in the September 11, 2001, strikes on the World Trade Center and the Pentagon.
The 9/11 attacks opened a new chapter in the war on terror and marked the beginning of another era of US military intervention, first in Central Asia and the Middle East, and subsequently in Africa. Cold War experiences had left a deep imprint on US attitudes and actions. Having mobilized violent extremists who claimed the mantle of Islam to counter the communist menace during the Cold War, the United States contributed to the globalization of terror in its aftermath. Following the demise of the Soviet Union, Soviet-Afghan War veterans and their acolytes turned their attention to the United States as the last remaining superpower and patron of what they perceived as impious Muslim regimes. During the Cold War, the United States had confounded radical African and Arab nationalism with communism and intervened in local conflicts, with disastrous results. After the Cold War, many in the US government viewed a wide range of Muslims with suspicion, failing to distinguish between nonviolent Muslims with conservative religious beliefs and a small minority with questionable religious credentials who used violence to achieve their ends. Officials in Washington