50
knowing that companies would encourage settlement of the west, the us government awarded them huge amounts of land and money
a) ranching
b) timber
c) oil
d) railroad

The correct answer is railroad. For anyone else looking for the answer.

Explanation:

I took the test and got it right.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

the use of email to replace slower surface mail.