How was the Roman Empire able to support its armies and public services?
A.
Rome forced its citizens to work without payment.
B.
The Roman army was largely made of volunteers.
C.
The armies and services were funded by private citizens.
D.
Taxes were placed on people who had been conquered.

B.

The Roman army was largely made of volunteers.

Explanation:

i beleive its 1)aids

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain