In which of the following represents the belief used to justify west-ward expansion of american borders in the 1800'sa, monroe doctrine b, manifest destinyc, adams onis treatyd, missouri compromise

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

Brainliestttme : ) what caused the first opium war? chinese confiscation and destruction of british opium chinese support for the boxer rebellion british efforts to increase opium prices british attempts to force china to accept opium as payment