The haymarket affair in 1886 set in motion which dominant group response pattern?

The correct answer is xenophobia. Xenophobia is defined as having an intense or irrational dislike or even having fear towards other people that came from a different or other county. This is known as a deep-rooted fear towards other people or foreigners.

chlorofluorocarbons are released via: aerosol sprays and refrigerants.

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.