D. Most of the human anatomy started on dead body autopsies.
Selma to <span>Birmingham affair
JFK was the president who would have desired to end racism in America, having been a victim of racism himself, however who found himself tied by political and party affiliations to do something against racism. he also voted against Eisehower civil rights bill in 1957, but made a turn once he became Democratic nominee.
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Pork barrel is unnecessary, a project of congressman for their own districts. It is the politicians - senators and their constituents benefited the pork barrel. They include unconnected expenses into bills which are then passed at a higher cost to the people. These projects help them support their voter by feeding money from other projects back into their own district.