Um I pretty sure its Boycott, if not its sanction
The fact that Texas is the largest state in the US is the greatest factor that explains why it is isolated both economically and socially, simply because people find it harder to leave the state on a regular basis.
Voters in a territory should decide whether or not to allow slavery in a territory
Immigration decreased from 1931 to 1940 due to the Great Depression.
Because it can help with transportation of weapons and goods.