Which of the following was created to free and democratic european countries rebuild after world war ii?

a. the roosevelt corollary
b. the truman doctrine
c. the warsaw pact
d. the marshall plan

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more