Who ended radical reconstruction

hayes

Explanation:

In 1877, Hayes withdrew the last federal troops from the south, and the bayonet-backed Republican governments collapsed, thereby ending Reconstruction. Over the next three decades, the civil rights that blacks had been promised during Reconstruction crumbled under white rule in the south.

i think they came to washington to protest

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power