What are three obligations that the constitution places on the national government for the benefit of the states?

Three obligations the Constitution places on the National Government for the benefit of the states are

1. Each state will have a republican form of govt

2. Protection against invasion and domestic violence

3. Must respect the Territorial boundaries of each state.

shang dynasty

western zhou (ca. 1046-771 bce)

eastern zhou (ca. 771-256 bce)

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