18. The Platt Amendment is an example of which of the following?
A. efforts by the US to promote and protect its own interests in the
Western Hemisphere and
elsewhere
B. efforts by the US to annex additional territories as part of imperialism
C. attempts by the US to aid other countries to establish independent
governments following
revolution
D. attempts by nations in the Western Hemisphere to exert
independence from US influence

On March 2, 1901, the Platt Amendment was passed as part of the 1901 Army Appropriations Bill. It stipulated seven conditions for the withdrawal of United States troops remaining in Cuba at the end of the Spanish–American War, and an eighth condition that Cuba sign a treaty accepting these seven conditions.

Explanation:

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.