The supreme court extends it's powers by their decisions which sets a precedents know as a case law. This law is made when lower courts make decisions
Keeping guns out of the hands of freed slaves
The great teacher believed that women have foul tongues and that by doing so they would anger men. This would inhibit the abolishment agenda.
Economy to grow
It is called an expansionary fiscal policy. The government often reduce reduce taxation and buy off treasury bond to ensure that banks have more money to lend, and people have more money to invest.