3. What are the state governments responsible for?

State and local governments exercise important functions in the United States. They plan and pay for most roads, run public schools, provide water, organize police and fire services, establish zoning rules, license jobs/lines of work, and arrange elections for their people (who lawfully live in a country, state, etc.).

Mark as brainleist please, I need just a few more :D

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