B) The Arab Empire unified feuding tribes under the religion of Islam.
At the begining of the Arab Empire, many arab tribes were united by the Islam new religion led by Prophet Mohammed. The crusades to spread the Islam word, helped to conquer and to unify regions of North Africa and Middle East. The language and laws of the Quran were embraced as well as the pilgrimage to Mecca. The Arab language spread and became popular too.
A, B, and the last one. A is obvious, B for reasons to support your claim, but without evidence (important for an outline) and examples of counterclaims. Which you will talk about in your essay
President's Hoover's most generous response following the great depression in the early 1930's was lending government funds to financial institutions such as credit bureaus, banks, as well as insurance companies through the Reconstruction Finance Corporation formulated in 1932.
The answer is (1) because of its value as trading center ect