How did the united states govern puerto rico?

The United States acquired control over Puerto Rico following the Spanish-American War in 1898 as part of the Treaty of Paris which ended the war. In this treaty negotiated between Spain and the United States the last remaining territories of the Spanish Empire were either granted independence (the case of Cuba) or were ceded over to American control (the case of the Phillippines, Guam and Puerto Rico).

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

macon. i believe thats the answer

sorry if im wrong.