21. A house was bought by Shireen. (Change into active voice)
O (a) Shireen bought a house.
O (b) Shireen will buy a house.
O (c) Shireen has bought a house.
O (d) Shireen had bought a house.​

What response does lincoln hope to elicit from his listeners with these words from his gettysburg address "we gave to come dedicate a portion of that field, as a final resting place for those who here gave their lives, that that nation might live. it is altogether fitting and proper that we should do this