Explanation:
The Northwest Ordinance set several important precedents. It established that unlike many nations, which left their new territories in a position inferior to the old, the United States would admit new states to the Union on an equal basis with the original states.
Mainly Slavery, Missouri was admitted as a slave state
It was the population policy of the 21st century.
When 20th century ends, the desirable social goal
was sustained and broadly accepted from local and regional levels to the world.
To most citizens of America, the population is not really an issue, but it has
been for the past decades because low population may mean demographic issues.
Answer: The Cambrian Period
Explanation: