How are the follow civilizations similar? Egypt, China, and the Indus Valley.

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.

Match the following events to the effects they produced. fall of constantinople italian wars hundred years’ war paved the way for the entry of renaissance ideas of peace and renewal arrowright caused an influx of classical greek and roman knowledge and texts into europe arrowright led to the introduction of renaissance thought and ideas to france arrowright

Why did the outbreak of world war 2 create a need for new military bases across the country?