Cleared riverbeds Created staircase locks to move up and down natural elevations
Deep cuts busted into rocky plateaus
Created cement to harden under water
15. These environmental modifications were made in order to construct the -
a. Lowell Mills
b. Transcontinental Railroad
C. Erie Canal
d. Port of Baltimore

The constitution protects the rights of citizens by limiting the power of government

Underline the sentence that describes washington's first cabinet. what branch of the government is the cabinet in?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.