What did Tom Watson bring an end to?

Tom Watson bring an end to bipartidism in America, as he was one of the leaders of the Populist Party.

Explanation:

Tom Watson was an American politician who represented the state of Georgia in both houses of the United States Congress, and was the vice presidential candidate of the Populist Party in the 1896 American presidential elections. At the turn of the century in 1900, it nominated Watson as a presidential candidate in the presidential elections of 1904 and 1908. Watson was described for the first time as an advocate for poor farmers and workers, as well as being a politician with clear socialist convictions; but over the years he became increasingly known for his anti-Catholic and racist views.

the answer is: the sesquicentennial of the american civil war is an occasion to consider the legacy of that great conflict. this legacy is our inheritance, and despite many indelible features, we continue to negotiate the resolution of that conflict. the civil war was fought over slavery, but not always on behalf of slaves

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