Abu Bakr succeeded Muhammad upon his death as the spiritual and political leader of the Islamic world. The correct option among all the options that are given in the question is option "a". He was also the father in law of the prophet Muhammad. He was also a close companion of Muhammad during his lifetime.
The answer would be white resistance to desegregation.
God promised to send a savior to restore humanity’s relationship with Him that was broken by the first human’s disobedience.