Selection bias
is a kind of error that occurs when the researcher decides who is going to be studied.
Answer: C. Industrial.
Explanation:
Throughout human history, the first surpluses in production arose in the XIX. the century during the Industrial Revolution. Until then, it was mostly produced as much as needed. Mechanization in production for the first time contributed to creating surpluses in production, given that production was faster and more extensive than ever before. In these circumstances, Imperialism appears, due to the need to place surplus products and the market in all parts of the world.
They were not allowed to because they basically at the bottom of the social pyramid.
Answer:
the answer is pie chart 66
Explanation:
