The phrase "sold down the river" referred to the devastating practice of enslaved families being broken apart by the domestic slave trade. What was a primary social consequence of this trade?

It led to the widespread and forced separation of families.

It prevented enslaved people from practicing their religion.

It caused a major decline in agricultural knowledge.

It improved communication between different plantations.

The domestic slave trade primarily involved the forced movement of enslaved people between which two regions?

From the Deep South to the Upper South

From the Southern states to the Western territories

From the Upper South to the Deep South

From the Northern states to the Southern states

The building of new factories that needed workers

The rapid expansion of highly profitable cotton farming

A series of new laws that required land to be farmed

The discovery of gold, which required many miners

Their own agricultural systems were becoming less profitable, so they sold enslaved people to plantations in the Deep South.

They had passed laws that required the forced migration of their enslaved population.

The climate in the Upper South was unsuitable for any type of large-scale farming.

They were industrializing and no longer had a need for agricultural workers.

Plantation owners began hiring large numbers of immigrant workers.

A domestic slave trade developed, moving enslaved people from the Upper South.

The government forced unemployed northern factory workers to move south.

Plantations shifted to using machines for all their labor needs.