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

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.

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