What was the major purpose of the truman doctrine?
to contain soviet expansion
to rescue greece and turkey from communist takeovers
to end the korean police action
to provide economic stability in europe
to provide reasons for us nationalism.

The purpose of the Truman Doctrine was to serve as containment to the Soviet Nation. The doctrine states that the US will support a country on their road to democracy. They will provide the necessary needs in order to rise against communist states.

answer; sociological imagination;