The correct answer is D)He thought that President Taft had failed to continue his policies of progressive reform.
In what is seen as one of the largest betrayals in American politics, Roosevelt betrayed his friend Taft after he become to believe that Taft was not living up to the progressive promise.
Marshall plan: provided economic aid to Europe. It was implemented by the US and assisted Western Europe countries which had adopted a market economy system after WWII.
United Nations: approved the partition of Palestine in 1947. Such resolution advised that two independent Jewish and Arab states should be created.
Warsaw doctrine: strengthened soviet control over Eastern Europe. It was a treaty signed among the Soviet Union and seven of its satellite states in order to colaborate in common defense issues.
Truman doctrine: outlined the ways to contain communism. It contained the guidelines of US foreign policy that aimed to limit the geopolitical expansion of the Soviet Union and its allied states.
