More people in the black civil rights movement became radicalized when the . realities of economic disparity became more apparent minority politicians started third parties Democratic officials refused to back the "war on poverty" Supreme Court became dominated by conservatives

realities of economic disparity became more apparent

Explanation:

When it became more glaringly obvious to people that the economic disparity between the blacks and the whites was quite much because the system was built on the foundation of oppressing some groups and keeping them poor and disenfranchised, more people in the civil rights movement became radicalized.

Up till then, they had believed that civil rights could be won legally and nonviolently became the system could be changed but after the disparity was noticed, a lot of people began calling for the system to be revamped entirely.

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