What were the components of the american system, and how were they designed to promote the national economy under the guidance of the federal government?

were the first attempt to maintain close political cooperation among all colonists.

Explanation: made a mistake wrong question

EOC Test answer made a mistake sorry guys

the correct answer is, it increases the amount which is being deposited in the bank account of people.

when the fed buys treasury   bonds it increases the amount which is being deposited in people's accounts.

treasury bonds are termed as long-term or secure investment which offers payment after every six months up to the maturity of the bond.

there is a fixed rate for every treasury bond whereby the interest rate is being determined by the auction.

there is an additional fees for those who have not yet opened accounts with local commercial banks.