What city was the first capital of the United States?

Philadelphia

Explanation:

Philadelphia was the early capital of the United States after the Constitution was ratified, but on May 14, 1800, the nation's capital moved to Washington.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

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