Respuesta :
"Provide economic aid to several foreign nations" "contain Communism from spreading any further" and "establish U.S. military bases around the world" since the US was engaged with the USSR in the Cold War.
I believe the answer is:
"Provide economic aid to several foreign nations"
"contain Communism from spreading any further" and
"establish U.S. military bases around the world"
Truman doctrine was created for one single purpose, to prevent communism from spreading its influence to other countries.
Economic aid is being done to prevent them obtaining loan from soviet union and make other nations indebted to the communist country and establishment of military base around the world was being done in order to give militarily support for the Countries who were engaged in military struggles against soviet's army.