Question

How did union strikes contribute to rising racial tensions in the 1920s?

Answer 1

Factory owners would hire blacks as strikebreakers.

Step-by-step explanation:

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Answer 2

Strike breakers--with the Great Migration many blacks were living in the North. When strikes occurred, blacks would be hired in the white workers place.

Unions and communism--unions were often associated with communism. Being there was a Red Scare in the early 1920s, unions caused nativist sentiment to rise as well as anti-communist rhetoric.

Both of these reasons gave way to a large renewal of the KKK which combined racism towards blacks and a white nationalist movement.