A
His is when one of the Crusades had happened and the Europeans who had invaded the Middle East had cone back with more knowledge in things such as science, maths and medicine. They had also found new clothing and furniture designs to use as well as spices for their cooking
B. strengthen the ability of native populations to secure independence
Georges lemaitre came up with the big bang theory, and is a belief that the planet earth and the rest of the solar system came a bout with one loud bang.
<span>There were frequent crop failures due to lack of rain. </span>
