The Haymarket Affair was most notable for the bomb which was thrown to incite violence
<h3>What was the Haymarket Affair?</h3>
It referred to the aftermath of the event of bombing that took place at a labor demonstration on May 4, 1886, at Haymarket Square in Chicago, Illinois.
The event occurred after the violent confrontation between police and labour protesters in Chicago which became a symbol of the international struggle for workers' rights.
Hence, the Haymarket Affair gave the U.S. employer the opportunity to paint the labor movement as a dangerous and un-American force.
Therefore, the Option B is correct,
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Answer: answer is b: United Kingdom.
Explanation: Hopefully it helped ya.
D. Increase rights for African Americans
They look at human interaction, how humans evolved to deal and create things like economy and social norms.