C. The increase in the use of coal as a source of heat and energy
Answer:
id say that safe/connected roads and missionaries helped spread it
Explanation:
1.roads were alot less prone to thieves and stuff making it easier for people to travel from place to place to spread ideas
2.missionaries were a big part in spreading religion because they went to talk to people and draw them to christianity
Chinese River Valley civilization<span>although it was from 8000 to 2000 BCE
They used the river for irrigation and they raised pigs and chickens. Used stone tools</span>
Pls tell me source and include pic of the source.
Your answer is D: The European pop. nearly doubled, the Native American pop. dropped greatly, and millions of Africans were sent to the Americas as slaves...
