Answer:
The Constitution's Supremacy Clause prohibits state governments from passing laws that conflict with federal laws and also prohibits any entity from enforcing laws that conflict with the Constitution. This protects enumerated powers, which are federal government powers that are specifically set out in the Constitution.
The Homestead Act helped to expand and develop the united states because it granted land for agriculture. it allowed people to acquire land west of the Mississippi river and to settle it. President Lincoln signed the Homestead Act on May 20 ,1862
The correct answer is A government was provided for the Northwest.
Explanation: The Land Ordinance of 1787 law was intended to make slavery widespread, which also enabled the northern territory to have its own government.