Below you can find the In the 1940s this stronger & cheaper material began to replace silk in parachute canopies Jeopardy Words Answer. The answer to In the 1940s this stronger & cheaper material began to replace silk in parachute canopies has 5 letters. This clue belongs to the Just chute me category and is part of Jeopardy Word Level 269. If you scroll near the bottom you will find other clues and answers part of level 269