What problems was the yuan dynasty facing during its decline?

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.

Was an extremist group that operated in the south. they attacked blacks in broad daylight. they mainly wanted to restore to power.

In what ways did the byzantines influence the developmental russian society?