Answer:
The gains were dramatic, as the territory acquired would in time add 13 new states to the union. In 1812, Louisiana became the first state to join the union from land bought in the purchase. Louisiana was allowed to enter the United States with its French legal traditions largely in place.
Explanation:
Hope that helped you!!
It's the bottom one, the establishment of the Supreme Court.
King George refused to approve laws that would establish judiciary powers which is the power of of a court to do what courts do (settle controversies, pronounce judgements etc) which in turn took away certain rights of the people so that is why the Supreme Court was established to give and assure people those denied rights.
True, 9 states had to approve :)
