The region labeled A is Egypt.
The civilization that arose in this region was the Egyptian civilization. It was a strong long lasting civilization that left behind lots of evidence of their glorious prosper and life, most notable the pyramids.
The region labeled B is Mesopotamia.
The civilization that arose in this region were the Sumerians. The Sumerians are often seen as the civilization that set the basis of science in the ancient world, they are well known for their knowledge and inventions, most notable the development of math.
American Revolutionary War. Thirteen Colonies that were controlled by the British had gone against their higher authorities and declared independence from Great Britain. This resulted in Peace of Paris, United States recognition, and the end of the first British Empire.
I know and have learnt that it is Muhammed
Thomas Jefferson, a spokesman for democracy, was an American Founding Father, the principal author of the Declaration of Independence (1776), and the third President of the United States (1801–1809).