As the United States winds down its decade-long war in Afghanistan, the two presidential candidates disagree on the pace of the U.S. withdrawal.

President Obama has expanded sanctions against North Korea over its nuclear ambitions while making attempts to engage with it, but Mitt Romney has criticized the engagement policy as weak.

President Obama is generally supportive of the UN mission while raising questions about its effectiveness, but GOP candidate Mitt Romney is harshly critical of the organization.

Iran’s nuclear ambitions have tended to dominate discussions in the U.S. presidential campaigns over nuclear nonproliferation.

This CFR Issue Tracker looks at the United States’ relationship with Russia and presidential candidates’ stances on the issue.

This CFR Issue Tracker looks at the United States’ relationship with Pakistan and presidential candidates’ stances on the issue.

Both presidential candidates vow strong support for Israeli security, with Mitt Romney criticizing the Obama administration for distancing the United States from Israel.

Both presidential candidates have called for expanding U.S. energy production to create jobs, even as they disagree over the role of government subsidies and environmental regulation.

Deterring Iran’s nuclear weapons program is a foreign policy priority for the United States. Candidates for the 2012 presidential elections debate the best options, including a military strike.

The presidential candidates generally agree on support for democracy and human rights in Arab states, but have differed on several policy particulars, such as military intervention in Libya and Syria.