Question

this map shows the population distribution of the united states in 1790. population of the united states, 1790 source: u.s. census bureau which statement explains how physical geography affected the population distribution of the united states in 1790? the southern states offered fertile farmland, allowing for the development of larger cities. the appalachian mountains served as a barrier that slowed westward expansion. the proclamation line of 1763 prevented settlers from moving away from the east coast. the rocky mountains posed risks to explorers, leading most people to remain in the east.

Explanation:

The Appalachian Mountains were a significant physical - geography barrier in 1790. They made westward expansion more difficult and time - consuming, thus slowing the movement of settlers westward. The southern states having fertile farmland doesn't directly relate to physical geography as a barrier. The Proclamation Line of 1763 is a political boundary, not a physical geography feature. The Rocky Mountains were far from the settled areas in 1790 and not a major factor in the population distribution at that time.

Answer:

The Appalachian Mountains served as a barrier that slowed westward expansion.