Being grouped with blacks increased Irish hostility toward them.

Evidence

Part of the reason for its effectiveness among the Irish was that it hit so close to the truth; as Fanny Kemble noted, the more Irishand Afro-Americans were lumped together, the greater the hostility between them. — Noel Ignatiev, How the Irish Became White, 150

Categorization

• XREF: connects to: Irish mob violence against Blacks arose from labor competition, not prior hatred — Noel Ignatiev, How the Irish Became White, 488; Irish immigrants learned anti-Black hatred upon landing in America, not at home — Noel Ignatiev, How the Irish Became White, 6; Irish and free blacks were speculatively expected to amalgamate (+5 more)

Broader Connections

• Rhode Island enfranchised blacks while disenfranchising Irish through land requirements. #corroborates (0.85) — Noel Ignatiev, How the Irish Became White, 317
• Hostility toward a group comes first and negative stereotypes follow to justify it #expands (0.80)
• Race mattered only after Irish replaced blacks, when blacks stopped undercutting #qualifies (0.75) — Noel Ignatiev, How the Irish Became White, 395
• Racism against Europeans like the Irish predated color-based slavery #contradicts (0.75)