For many people who are educated abroad, a lack of opportunity, a low standard of living, and the political and social conditions in their native country are factors that contribute to their choice not to return home.

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

a. favoring native born americans over immigrants.

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse

state law

most seat belt laws in the united states are left to the states. however, the first seat belt law was a federal law.