They adopted Christianity because it was the same religion as they're European masters at the time.
Answer:
Homes in villages were buried partly underground with straw-covered roofs. Walls were built to protect settlements from flooding and hostile neighbors.
Answer:
1. If Earth's gravity was just 5% stronger, the increase would warp our planet's near-perfect circlular orbit into a tighter elliptical path. Summers and winters would become a lot harsher, the intense climate change would spark widespread famine and would likely collapse the world economy.
Explanation:
That's the only one I know
Answer:
Some city states were monarchies ruled by kings or tyrants. Others were oligarchies ruled by a few powerful men on councils. The city of Athens invented the government of democracy and was ruled by the people for many years.