How did the u. s. government expand its powers during world war 1?

During the World War 1 the US were allies to the countries affected during the War by supplying food and giving them aid by send troops and other resources which helped the allies win the war

Explanation:

WWI was largely a stalemate until the US entered the war. Its large population and many resources tipped the balance and allowed the Allied Powers to win the war soon after the US entered. ... The American troops were fresh because we didn't join the war until April 1917. Our rested troops were a big asset for the Allies.

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

polticians and sentates thought to annoucne the fialre of articles of confedartion by making a centralized nation as a hole