A manufactured enemy works best against groups that reject the unifying cause

Evidence

On the other hand, the third of America’s anti-foreign traditions fitted very usefully into the mood and circumstances of the war years. Whereas anti-Catholicism and racism could only strain existing bonds of unity, anti-radicalism served to counteract an existing disunity. All religions and races joined willingly in the war effort; many radicals did not. Consequently a nationalist attack on radicals gathered great strength during 1917 and 1918. — John Higham, Strangers in the Land, 1297

Categorization

• XREF: connects to: The nationalist ideology needs a manufactured enemy to mobilize — Neil DeVotta, Sinhalese Buddhist Nationalist…, 303; Groups invoke external enemies to justify the suppression of internal disunity — Manuel Borutta and Jan C. Jansen, Vertriebene and Pieds-Noirs in Postwar…, 649; A shared external enemy can suspend internal conflicts among rival groups. — Samuel P. Huntington, The Clash of Civilizations and the…, 690 (+4 more)

Broader Connections

• The nationalist ideology needs a manufactured enemy to mobilize #corroborates (0.85) — Neil DeVotta, Sinhalese Buddhist Nationalist Ideology, 303
• Groups invoke external enemies to justify the suppression of internal disunity #corroborates (0.85) — Manuel Borutta and Jan C. Jansen, Vertriebene and Pieds-Noirs in Postwar…, 649
• A shared external enemy can suspend internal conflicts among rival groups. #complicates (0.80) — Samuel P. Huntington, The Clash of Civilizations and the…, 690
• The perceived permanent Enemy binds pluralist societies into cohesive defense societies #corroborates (0.80) — Herbert Marcuse, One-Dimensional Man, 235
• Threat can redirect hostility toward unrelated weaker outgroups #qualifies (0.75) — Walter G. Stephan, Oscar Ybarra, Kimberly Rios Morrison, Intergroup Threat Theory, 20