What challenge did americans face in both the spanish-american war and the building of the panama canal?

The quest for wealth or was a major factor contributing to the age of exploration? grants god gold glory

The internal combustion engine was an innovation of

Which impact did the civil war have on the spread of disease in texas a. disease decreased bc people left the area to fight in the war b. disease increased bc medicine was in short supply. c. disease increased bc many new diseases were brought to the area d. disease decreased bc confederate doctors distribute new medicines to local communities