Describe american involvement in global affairs during this period. how did american foreign policy evolve between 1980 and 2000 in both its focus and in its approach?

The United States  involved in global affairs in the later 19th and early 20 the century.

Explanation:

The United States had observed with caution  for the Spain's repression of Cuba in the decades.

The american foreign policy is the  dominant regional power in all over the world. The United States  had succeeded in the 1990s and in 2000s, the states politically penetrating a region with which it previously had no contact and on which it had no major expertise with the other countries.

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.