What did the Union army hope to achieve by fighting this battle in Tennessee?

executive, (president and about 5,000,000 workers) legislative (senate and house of representatives) and judicial (supreme court and lower courts)

explanation:

they are best described as reliable search engines.

the answer here would be

a big main expressed powr of the congress is to

borrow money

congress borrows money all the time this is a rpime factor to pay for things that the americans need for example they give money ot the banks they give money to the milltary they borrow money so they can give it back to the people who need it such as the buisnessses and the army