Constantine moved the capital of the Roman Empire because of how dangerous it was to live in.
They lived in what was normal in those times. The Islamic traders dealt with a wide variety of goods, including sugar, salt, textiles, and spices. The way that they lived back then allowed the traders to travel all the way from Europe to China. Also, they were most likely wealthy and powerful.
The answer is A because many people attacked the Emancipation Proclamation because it allowed some states to continue to use slave labor. Border states such as Maryland and Delaware, which had remained loyal to the Union, were allowed to continue using slave labor, as were any states already under Union control.