Which of the following does not represent advances in technology during world war i?
a. u-boat
c. cannons
b. machine guns
d. tanks

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.

Explain how zollverein, a tariff agreement, to unite the german states.

How can the relationship be described between the cold war and the civil right movement? why?