Why did the combination of corn and beans prove so crucial to the diet of early americans?

corn and beans grew under different conditions and in different places, making harvests more reliable.

Explanation:

That's what I think. Sorry if its wrong

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

answer: study

explanation:

maybe if you get off your phone and start studying you might do well but that’s your decision if you want to stay in summer school