The first major labor union was founded in 1866 by William Sylvis. It was called the National Labor Union (NLU).
It was the first national federation in the United States but it did not last. It dissolved in 1873. However, it paved the way for other labor unions and organizations.
One way the U.S and the U.S.S.R were competing during the Cold War was with military technology. Both sides invested heavily into new military technologies trying to get the upper hand. The Second way was the Space race, both sides competed to be the first to put a man on the moon.
Answer:
B. Iraq War, Conflict between Iraq and Iran