The Aksumite Empire ended with the last King, Dil Na’od who was defeated by his former General Mara Takla Haymanot who founded the Agaw Zagwe dynasty. According to legend, a son of Dil Na’od fled in exile, until his descendants overthrew the Zagwe dynastic rulers and re-established the Solomonic dynasty around AD 1270.
The answer is B: Tycho Brahe. Over a twenty year period of time, Tycho Brahe made consistent observations which supported the heliocentric theory proposed earlier by Copernicus.
Gunpowder was invented somewhere around 900 in China.
Well, that's basically it... :P
<span>The suggests a power structure by the way it is drawn. One figure is larger because he is the leader of the Army and President, George Washington. Other figures displayed have power in proportion to their relative size on the map.</span>