What was the most significant cultural invention of the Phoenicians?

The Phoenicians used the galley, a man-powered sailing vessel, and are credited with the invention of the bireme oared ship. They were famed in Classical Greece and Rome as “traders in purple,” which refers to their monopoly on the precious purple dye of the Murex snail, used for royal clothing, among other things

c]extended voting rights to african americans

during both period congress passed law restricting the civil liberties of american citizen that meet with the overall public support is the one statement that explain the rate scare of the 1920 and 1950 is very similar