Was the boycott successful? What result led African American Civil Rights leaders to end the boycott?

Yes the boycott was successful.

Explanation:

The result that led African American civil rights leaders to end boycott was Martin Luther King JR. a Baptist minister who endorsed nonviolent civil disobedience emerged as leader of the boycott. Following the Supreme Court segregation on public buses was unconstitutional, the boycott ended successfully.

the united states didn't wanted to get involve with other countries probelms

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation: