The map shows North America in 1803.

Question

Which regions were largely unknown to most Americans in the early 1800s? Select two options.

US Territory
Oregon Country
Mississippi Territory
Indiana Territory
Louisiana Territory

Answer 1

In the early 1800s, the regions that were largely unknown to most Americans were:

1. Oregon Country
2. Louisiana Territory

The Oregon Country was largely unexplored and undocumented during this time, while the Louisiana Territory, acquired through the Louisiana Purchase in 1803, also contained vast areas that were not well-known to American settlers.