How did the religion of islam change under the rule of abu bakr? a. the territory under muslim rule expanded rapidly. b. muhammad's teachings were altered drastically. c. muslim expansion ceased after defeat by persian forces. d. the majority of muslim followers abandoned islam.

The right answer to this question is option A) The territory under Muslim rule expanded rapidly.

After Muhammad's death Abu Bark was chosen as Caliph and because of him, Central Arabia was unified and was taken under Islamic control which allowed a territorial expansion. And many people tend to think that without Abu Bark's leadership skills Islam's cultural and spiritual traditions wouldn't have survived.

increased food supply

improved public health

increased birth rates

hope this : d

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.