It was racial/ethnic. The Nazis thought
that they were the supreme race and believed that anyone who was below them
deserved to be either imprisoned or exterminated. Jews, Gypsies, Eastern Europeans and all
those they considered inferior were victimized and many suffered as a result.
Steam locomotive,because they were built during the Industrial Revolution.Which happen during late 1800's
Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
South Carolina was the first state to secede from the Union on December 20, 1860. It was called southern nationalism. Other states began to secede, however, no state had the right to secede but the federal government didn't have the power to stop them.