Before she entered politics, Shirley Chisholm was an educator and an advocate for poor children. She saw first-hand that children and families living in poverty were often ignored by the government; she also saw that most of the agencies with power were run by white people, and while they were well-meaning, they were often unaware of the needs of the black community. She decided that becoming part of the political process might be a way to speak up on behalf of those whom she perceived as lacking a voice. That resulted in her running for election to the New York State Assembly, and later, running for congress.
The correct answer is B. This answer contains a summary of the advantages of cloud storage, which can be developed in the essay as it was stated in the main claim. Also, this answer compares the advantages of cloud storage over traditional data storage; this detail was mentioned in the main claim, and it is restated in the conclusion. None of the other answers contain information restating what was directly said in the claim.
The best answer for the question would probably be A