Which statement BEST describes the Civil War and Reconstruction era? A. It solved many of the nation's issues. B. It changed the social landscape of the nation.
C. It fractured the federal system of government. D. It resulted in a stronger and more unified country

the answer is d. give brainliest if right.

ps is this 7th grade civics?

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

i'll write a docs for you. hold on for a moment