The first caliph to take over after Muhammad’s death washel

it was Abu Bakr

Explanation:

After Muhammad's death in 632 CE, his friend Abu Bakr was named caliph and ruler of the Islamic community, or Ummah. Sunni Muslims believe that Abu Bakr was the proper successor, while Shi'a Muslims believe that Ali should have succeeded Muhammad as a caliph.

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.

a, he promoted disarmament