It is because the Americans started to see all the other countries become free and they wanted to become free to. They also started to not like the way the British treated them.
Answer: It is B
Explanation: I took the test already ;)
Amount of sunlight, distance from equator, and height above sea level
The Neolithic Revolution.
This, meaning new age, is when plants and animals were domesticated and a new age had begun.
Hope this helps :)