After world war ii, the united states fought in which of these wars in order to keep more countries in asia from becoming communist? the korean war & vietnam war
the french and indian war
the first iraq war
the war in afghanistan & the gulf war

The answer is: "The Korean War & Vietnam War."

Explanation:

Though the causes of the two wars and the geographical setting were different, the reason for entering these conflicts  was practically the same: to stop what was seen as actions of communist expansion in Asia. The US policies in Korea and in Vietnam followed the logic and the tenets of the Cold War. The US was committed to containing the Soviet Union and communist advance worldwide.

treating native americans justly and giving them equal rights as citizens of the united states" was not a way in which americans sought to solve the indian problem. removal was the most popular idea.

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.