The reason for why is very simple: they believed it would increase their chance of wining. This is a common practice in the US politics and why the two main parties are well the only important parties in the US today. It is because they adapt and incorporate the beliefs of minor parties that appear and they address the issues raised by the new parties.
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Answer:
It wiped out halfe the population
Explanation:
I cannot answer this question if you don't give the possible answers.