Answer:
Cultural diffusion is the spread of cultural beliefs and social activities from one group of people to another. Through cultural diffusion, horizons are broadened and people become more culturally rich.
it happens when Religions have an argument or disagrement. something like that, but yes it has to do with religion.
Explanation:
The Bronze Age invention that is shown here is A) ziggurat. A ziggurat used to be a religious institutions, something similar to a temple.
They were next to famous rivers that helped them grow food. (i guess)
17 states including Wisconsin , California ,and Minnesota in the 1850 and in the 1865 there was 15 states