Before we start an in-depth study of U.S. and Imperialism, I have students predict our involvement in the 12 different countries. Then when we study each country, we go back and make corrections. I attached an answer sheet but it is by no means definitive. Students may have different ideas, and if they can defend their ideas then they may be correct. Finally at the end of this unit, we look back and form conclusions about the U.S.