Settlers relied on water routes for transportation.
The alliance system was important and played in the events that led to WWI because countries that were in alliances with other countries were obligated to support their allies when war was declared.
Answer: Some new territories went both above and below the line of compromise.
Explanation:
The Missouri Compromise divided Northern and Southern states on the slaves issue. The compromised passed as law in 1820, <u>it forbade slavery in Louisiana and it considered Missouri as a slave state. Anything north the 36/30 parallel was considered slave free.</u>
However, since the state of Missouri was considered a slave state, the South had one state more than the North and it was considered that the slave states had more power, because a slave counted as 3/5 of a person.
Thomas Jefferson predicted that dividing the country between slave and slave free states would lead the country to civil war.