Imperialism

1. Open Door Policy

1.1. U.S secures trading rights in china

2. Panama Canal

2.1. Improves International commerce.

2.2. increases U.S Naval power

3. Purchase of Alaska

3.1. 1867

4. Annexes of Hawaii

4.1. 1898

5. Spanish-American war

5.1. Cubans gains independence from spain

5.2. U.S gains Puerto Rico ,Guam, and the Philippine Islands

6. Territories

6.1. Cuba

6.1.1. Puerto Rico

6.1.1.1. Guatemala