Answer: the Marshall plan was made in a effort to rebuild europe after WW2. we paid europe all kinds of money in order to help rebuild
the Nuremberg trials were a series of trials on Nazi High command about their "crimes against humanity"
the United Nations is a coalition of all nations designed in an effort to solve the world's problems
Explanation:
I believe the answer is D. This is because many common themes today date back to the beginning of found literature
I'm pretty sure the answer is: primary sources.