I am pretty sure it would be A because of what he has done in the past.
It is possible to say that the approach to interact with Native Americans that was held by President Grant is highly different than the ones held by his predecessors because of his intentions were focused on not talking directly to the Native Americans, but to Christian missionaries who were incharged of the Natives' regions. In contrast, other Presidents kept the indigenous authorities and approched directly taliking to these.
Answer:
Did this change bring the government closer to the people or did it change the way elections
The fact that now senators are directly chosen by the people undoubtely brings government closer to the citizens of each state.
Senators tend to have more name recognition than representatives, and when they campaign, they embody the issues of their states, which helps people understand what they do, and make their decision.
Are senators more accountable to the people now or are senators mainly concerned with re-election?
Most politicians are concerned about their re-election, because their political power depends on being elected. However, to be re-elected, they have to convince their voters, and this creates accountability with the people.