<em>Baruch S. Blumberg invented </em><span><em>a vaccine for smallpox for which he won noble prize in 1976.</em></span>
Answer:
Peasants' Revolt was the first great popular rebellion in English history. Its immediate cause was the imposition of the unpopular poll tax of 1381, which brought to a head the economic discontent that had been growing. The rebels wanted a reduction in taxation, an end to the system of unfree labor, as well as the removal of the King's senior officials and law courts.
Explanation:
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--Applepi101
The imagined Alaska basically as a whole lot of land that is good for nothing. Although he got a good price in comparison, Alaska is huge and cost a lot of money. Just imagine what you think of the Arctic, then having the US pay one trillion dollars for it. Not great.