To the economy grow, the federal government can

spend less money

decrease tax levels

raise interest rates

decrease tax levels

Explanation:

Decreasing taxes causes an increase in purchasing power for the people. They will have the same amount of currency, but much more can be bought with it. It directly helps the economy to grow since money instantly becomes more attractive and things become easier to do when your money is more valuable (as investing and spending).

answer; the period of time known as the middle ages;