What helped develop agriculture in early civilizations? Fertile soil

O Any body of water

O Trade

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

yes u so smart, u no need me me slant eye is hard to open when i read u q

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india