John T. Thompson Invented It During World War I
This page is the CodyCross answer for the clue below from Amusement Park, Group 206, Puzzle 5 (Hats and Costumes).
Question is: John T. Thompson Invented It During World War I
and the answer is: TOMMYGUN
Word Meaning:
TOMMY GUN — Alternative form of Tommy gun.
Definitions from Wiktionary.