What arguments did the us government use to justify building railroads despite the damage to native cultures? how did such damage outweigh the benefits? how could the government have handled the situation differently?

Explanation:

I believe they used the phrase "Manifest Destiny." In other words, they believed that it was their destiny to have the land and to build upon it.

The damage outweighed the benefits to the American people because it meant they got to "have more." In other words, more money.

The government could have made an agreement with the natives and possibly allowed them to continue living on the land, perhaps, that would have caused less wars or battles in the end.

explanation: j

the exclusive possession or control of the supply or trade in a commodity or service.