Term: Sodium, Description: Chemical element with atomic number 11, Question: Did teacher's unionize before the invention of nylon and the start of World War II?, Answer:Yes
Fact1: Teachers' unions, including the New York City Teachers Union, were founded in 1916. Fact2: The first example of nylon was produced using diamines in 1935. Fact3: World War II began September 1, 1939. 