By the time American troops entered World War 1 the Allies were exhausted after years of fighting. The correct option among all the options that are given in the question is the third option or option "c". The entry of Americans in the war boosted the morale of the Allied army. I hope the answer comes to your help.
The radical republicans differ from Lincoln's plan because they thought the war was easy towards the south.
Explanation:
Radical republicans believed that the Lincoln plan for reconstruction was not harsh enough because from their point of view the south was guilty of starting the war and the deserved to be punished as such. The south needed to be rebuilt the civil war.
President Andrew Johnson, the successor to President Abraham Lincoln, after his assassination had a very difficult idea about it than with radical republicans.
This section of the Constitution relates to; The expressed powers of the legislative branch