What is the one difference between a Republic and a Democracy
1 point

The major difference between a democracy and a republic is that a republic is a form of government whereas a democracy is an ideology that helps shape how a government is run.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

i would go with the last one