this may have different names depending on what nation or country your talking about but in the US it's conscription
Culture. Food, behavior.
History. Common past.
Religion. Majority of shared faith.
Nationality. Belief in common ancestry.
Territory. Boundaries, like Lake Michigan.
Language. Common dialect.
Nation-state. An independent geopolitical unit of people having a common culture and identity.
Dred Scott would remain a slave and, as a slave, was not a U.S. citizen and was considered property. The Chief Justice of this case, John Marshall, said that Scott shouldn't have even brought his case to court because he is a slave.
increased production of food and lowered prices
made goods easier to transport, which gave people a wider range of options
gave way to migration
created two new social classes to which people would live and work in