A complete global history of guerrilla uprisings through the ages.

The answer is simple: 9/11. The most costly terrorist attack ever was carried out from Afghanistan. The United States showed bipartisan determination to bring the perpetrators to justice and—the part that explains our continuing engagement in Afghanistan—to prevent its soil from ever being used again to stage terrorist attacks.

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A complete global history of guerrilla uprisings through the ages.

A sweeping, epic history that ranges from the defeat of the Spanish Armada to the War on Terrorism, War Made New is a provocative new vision of the rise of the modern world through the lens of warfare.

Four experts discuss what the U.S. options are for addressing the Syria crisis, with suggestions ranging from avoiding direct actions to enforcing a Libya-style no-fly zone.

As the U.S. military formally ends operations in Iraq, four top expert voices in the debate on the war differ over whether it merited the cost in blood, treasure, and U.S. credibility.

Which policies have worked and which ones need work ten years after the worst terrorist attacks in U.S. history? CFR experts examine ten issues that have preoccupied U.S. planners.

Did President Obama's troop drawdown plan for Afghanistan undercut the campaign against the Taliban or was it too limited to meet U.S. goals? CFR President Richard N. Haass and Senior Fellow Max Boot offer differing takes on the new battlefield deployment.

Osama bin Laden's death is a real and symbolic blow to al-Qaeda, and its stature in the Middle East is already diminished by the pro-democracy movements in the region, but the group remains lethal. Seven CFR experts discuss.

The WikiLeaks revelations aren't likely to do lasting damage, but CFR experts say they will make it harder to collaborate with governments such as Pakistan, hurt sensitive relationships, and hinder the open exchanges successful diplomacy requires.

The new U.S.-Afghan strategic partnership agreement is a step forward as the Western troop drawdown clock ticks down, but Washington must provide more specific pledges for Afghanistan's security, says CFR's Max Boot.

A near absence of terrorist incidents in the United States since 9/11 points to the success of the Bush administration's counterterrorism measures that once stirred controversy but now have bipartisan acceptance, writes CFR's Max Boot

President Obama's decision to remove thirty thousand troops from Afghanistan in just over a year heightens the difficulty in securing the east and south of the country against far-from-defeated Taliban forces, writes CFR's Max Boot.

Osama bin Laden's death strikes a blow at al-Qaeda but could undermine U.S. effort in Afghanistan, which would be a mistake, says CFR's Max Boot.

The Afghan troop surge has ended and full U.S. military involvement is to sunset in 2014, leaving a fragile security situation and questions about the U.S. role, says CFR's Max Boot.

Increased military pressure and reassurances by the United States that it will not pull out of Afghanistan in July 2011 are keys to successful negotiations with the Taliban, says CFR's Max Boot.

The U.S.-led offensive against the Taliban stronghold of Marja is an important part of the "hold-and-build" strategy to extend Afghan government control into restive provinces, says CFR expert Max Boot.