Answer:
Roosevelt and British Prime Minister Winston Churchill were crucial in the establishment of a unified effort to deal with the Axis powers. ... In July 1940 newly appointed Prime Minister Churchill requested help from FDR, after Britain had sustained the loss of 11 destroyers to the German Navy over a 10-day period.
He responded by not helping because he didn’t want to fight a war across an ocean
A strategy by President Richard Nixon for ending U.S involvement in the Vietnam war.This involved a gradual withdrawal of south Vietnamese forces .This went along with the Nixon Doctrine