The subjects of treaties span the whole spectrum of international relations: peace, trade, independence, reparations, territorial boundaries, human rights, immigration, and many others. As times have changed and the world has grown smaller, the subject and scope of   accords  have broadened. The United States entered into a  treaty  with Tripoli in 1796 to protect American citizens from kidnapping and ransom by pirates in the Mediterranean Sea; in 2001, the United States agreed to an international   treaty  to combat cybercrime. 

What are the key policies of the U.S. Department of State?