The US wanted to know if nixon was responsible for watergate(he was), and he almost became the first impeached president.
They were an investment and used as goods for sale. This practice was used up to the 1850's when the US banned it. But other slaves came from this which included Chinese, Italian Irish etc.
Webster urged northerners to respect slavery in the South and to assist in the return of fugitive slaves to their owners.
So he was on the side of slavery he did not want it to stop
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The discovery of DNA has radically changed the way we breed and utilise crops and the means by which we recognise and protect our plant biodiversity. It has accelerated our ability to breed crops with desirable traits such as disease resistance, cold and drought toleranceExplanation: