Who succeeded muhammad upon his death as the spiritual and political leader of the islamic world?
a. abu bakr
b. umar
c. mansa musa
d. shia ali

Why was it difficult fpr unions to succeed in the 1800s

How are the perspectives presented in the excerpts similar? they show the disappointment and fear mission control workers feel when the lunar module develops problems. they show the huge investment of time and energy mission control workers dedicated to the lunar module. they show how mission control workers view the lunar module as if it is the workers' very own child. they show the relief and excitement mission control workers feel when the lunar module lands on the moon.

How did the united states ironically create a slaverybased market economy and democratic political system?