A atomic bomb it wasnt invented till 1945 ww1 was1916
Answer:
True.
Explanation:
"The American Federation of Labor (AFL) was a national federation of labor unions in the United States founded in Columbus, Ohio, in December 1886 by an alliance of craft unions disaffected from the Knights of Labor, a national labor union."
Answer: The Printing Press
Explanation: Gutenberg made way for books to be copied mechanically, and not by hand, allowing books to become widespread for the first time.
Businesses made more goods than people had the money to buy.
To help end the war and hopefully sustain peace through the fighting countries