Answer:
After the North crushed the South in the Civil War, lawmakers confronted the errand of putting the isolated nation back together. There was extraordinary discussion about how seriously the previous Confederate states ought to be rebuffed for leaving the Union. With the death of President Lincoln in 1865, it was up to President Andrew Johnson to attempt to rejoin previous adversaries. The Reconstruction Acts of 1867 spread out the procedure for readmitting Southern states into the Union. The Fourteenth Amendment (1868) gave previous slaves national citizenship, and the Fifteenth Amendment (1870) conceded dark men the privilege to cast a ballot. These were just the initial steps, be that as it may, toward remaking the divided country.
Explanation:
I agree with the person above - the correct answer is B. the United Nations.
The United Nations is an organization created in 1945 after WWII, with the aim to prevent a war like that from ever happening again. At the moment, there are 193 countries included in this organization, who are there to cooperate in order to maintain world peace and security.
I believe the answer is A. more willing to join the allies.