1. When Europeans withdrew from their African colonies, what did they fail to do for the colonies before they left?
a. remove their monies from the banks
b. help the people set up a stable environment
c. assure their allegiance to the colonies
Od remove ther government officials

b

Explanation:

the did not make the environment stable before going

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

answer; posthypnotic;