Thanks for using Brainly!
Evolution. Apes evolved in humans. The Earth only started out with some humans but because of reproduction new people were born, and it carried on for many generations and now the Earth has about 7 billion people on it.
That they were intelligent and knew that they needed tools. They could use bigger rocks.
It made transportation and trade easier.
B. Farmers were being taxed heavily to the point they were in debt. do your ap homework.