I WILL GIVE CROWN THING Which geographic factor contributed to the growth of immigrant settlements?
proximity to the capital
location of the United States
diversity of languages spoken in the area
availability of water sources and fertile soil

geographic factors shaped the development of ancient civilizations. migration routes and areas of settlement to draw conclusions about the .location, and resources including proximity to water and North America profit from huge tracts of very fertile land, a temperate Their food supply became much more certain.

Explanation:

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