Because popular sovereignty was well supported because it allowed the local citizens of a territory to decide if slavery was to be allowed or illegal. Stephen A. Douglas pushed for popular sovereignty during the 1840's.
Popular sovereignty is a political principle that is very present in the politics of the United States. This principle states that the authority of a state comes from the consent of its people through their elected representatives. In practical terms, this means that citizens are the ones who hold all power of the state and who can make decisions.
Popular sovereignty was considered a just and fair way to settle the slavery question, because this gave each state the right to decide whether to practice slavery or not. It was believed that by giving the states this right, the will of the people was respected.
If you're referring to U.S. Government and Politics on Apex; The Northwest Ordinance added to the guidelines for American expansion that were introduced in the Articles of Confederation.
Factory system makes use of division of labor and machinery
to in producing goods and services.
Everything is centralized and production is more standardized to ensure
uniformity. In the putting-out system
deals more with sub-contracting to finish a certain task. It employs craftsmen and it had a flexible
period. It was convenient because many
of these people lived near the workplace.
Eventually the factory system replaced the pull-out system as industrialization
grew.