I believe the answer is A
<span>He was willing to grant pardons to former Confederate's, and he considered compensating them for lost property. In addition, Lincoln did not require a guarantee of social or political equality for African-Americans. He recognize prounion governments in Arkansas, Louisiana, and Tennessee even though they denied African-Americans the right to vote</span>
The British, for example, admired the tomato for its beauty, but believe that it was poisonous, as its appearance was similar to that of the wolf peach.
I believe the answer is: It delayed or extended nationalist struggles.
The nationalist struggles come after different nations started to fully embodied nationalist movement, which make them tend to incline to prove their nation's superiority over another nations. This type of thinking often lead to conflicts among these european nations.