Based on Teddy Roosevelt's quote "We draw the line against misconduct, not against wealth," the option that explains his position is C. because trusts are not all bad, only those trusts which employ practices that do not benefit the public as a whole should be abolished. Roosevelt did not oppose the accumulation of wealth, but he did oppose the improper use of that wealth when it negatively impacted society overall as was the case with many trusts and monopolies in the late 19th and early 20th centuries (and in some cases today).
One key difference between the indigenous peoples of North America and those of South America was that "<span>b. The Indians of North America were farmers and hunters who frequently moved their villages, rather than residents of large centralized empires as in South America," although this differed greatly depending on the specific tribes in question. </span>
The two consequences of the California Gold Rush is it had an severe environmental impact. Another consequence was the rivers were clogged with sediment.