What important transportation system made its debut in 1825? a. the transcontinental railroad b. the erie canal c. the interstate highway d. the new york subway

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.

Poem: the barn how does frankau try to strip the glamour from war? what might the date of the poem have to do with the feelings it expressed ?

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