What is a union of independent sovereign states

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.

For witch of these skills were early bantu noted? check all that apply farming fishing hunting ironworking seafaring

Explain one major pattern of cultural interaction between nomadic and sednetary socities in afro eurasia before 1450 ce