Why did the republican party gave up on supporting civil rights for african americans?

First let me say I do not agree with this question being here for Republican's and/or African American Republican's would likely be offended by it for obvious reasons. Despite that I will attempt to answer this.

The Republican Party may have "abandoned" civil rights for African Americans because the party is based off of corporate concerns that do not always align with civil rights for people that, sadly, in some cases, are stereotypically less financially doing well for businesses to take advantage of.

it is based on the same philosophy as health insurance

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.