"Favoring Republicans over Democrats in 1889 was all about white supremacy" is...um...quite a take.https://twitter.com/LemieuxLGM/status/1293679799307653120 …
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What is still conspicuously absent from that paper is any evidence - contemporaneous or otherwise - that anybody at the time saw the admission of new states as a reason not to act against Democrats in the South.
Without these new states, Republicans could not have completely ceded the South and been competitive in most national elections. The expansion was crucial to allowing Republicans to ignore Sections 1 and 2 of the 14th Amendment. I'm not sure what you're disputing here.
They...had already completely lost the South over a decade earlier.
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