What was the greatest disagreement between Muslims after Muhammad died? (Sunni vs. Shi'a

Brainliestttme : )why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology.- it made clear that the u.s. space program was dominant.- most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

Who was one of the greatest playwrights in the world , composing such classics ans macbeth, romeo and juliet, and henry v a. william shakespeare b. francis drake c. sir walter raleigh d. edmund spenser

What was the purpose of the u.s navy's convoy system