<span> In the last quarter of the 19th century, all four items were sources of energy. Kerosene was commonly used for lighting, electricity was beginning to replace gas lighting and steam was used to power boats, trains, and certain kinds of industrial machinery. Gasoline was the primary fuel of the automobile, or "horseless carriage," which appeared in the 1890's. Of these four, however, steam was introduce the earliest. The concept of the steam engine goes back to ancient times. However, the steam engine was really introduced as a common source of energy early in the 18th Century. So while kerosene, gasoline, and electricity as an energy source were all developments of the 19th century, Steam power is at least a century (and maybe more) older. </span>
I believe there was a race riot in Chicago in 1919. I hope this helps
Labor unrest, the Bolshevik Revolution, and rising racist, nativist sentiment had made Congress wary of allowing poor Europeans who had been exposed to socialist ideas to immigrate.
Traders who traveled to the Yoruba homeland were probably most interested in obtaining "<span>a. corn", since this was a product that was almost impossible to grow in their homeland, and one that supplied a decent amount of nutrients. </span>
