The elimination of community groups and community supports

In America

• Pushing the nuclear family as the exclusive option, displacing multi-generational living that anthropologists tell us was predominate before this.
• The Stranger Danger myth, that makes us more afraid of strangers.
  • See also: Helicopter parenting versus free-range parenting, the latter being much more common abroad.
• The decline of social clubs and civic organizations.
• The decline of apprenticeships. [1] [2]
• Greatly weakening the power of labor unions in the US.
• United States is on the extreme end of individualism, in general.

Nazi Germany

• The government-backed German Labour Front was created to replace the independent labor unions that the SA had destroyed. The government then outlawed collective bargaining and striking.

More about community support in America

• Trevor Noah — "As a Country becomes more developed, the thing that gets eroded is community"
  • Though he rightfully gets called out in the comments, because most of the examples he gives are women's work.
• "Community support is higher in low-income countries"