What sports did USA invent?

What sports did USA invent?
After meeting James Naismith, inventor of basketball, while studying at Springfield College, Morgan invented “Mintonette, modernly known as volleyball.

american football,
baseball,
basketball,
billiards,
delta-13,
racquetball,
snowboarding,
softball,

After meeting James Naismith, inventor of basketball, while studying at Springfield College, Morgan invented “Mintonette, modernly known as volleyball.

  • american football,
  • baseball,
  • basketball,
  • billiards,
  • delta-13,
  • racquetball,
  • snowboarding,
  • softball,
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