What do you call the process of cultural traits spreading from one culture to another?

How did the manhattan project to end the war? a scientists working on the project built large bombers. b scientists working on the project discovered uranium. c scientists working on the project developed the atomic bomb. d scientists working on the project shared secrets with axis scientists.

Under the article of confederation everyone had to agree so it was hard to get amendments passed true or false

Explain urbanization and industrialization enabled the dramatic change in american culture?