<u>The correct answer is: They conducted a siege on the city of Vicksburg. </u> This city was key to the defense of the Mississippi River. After some failures, Grant thought of a very skilful move to take the city from the east, mobilizing his army into a fleet commanded by Admiral David Dixon Porter. They besieged the city of Vicksburg for 47 days and finally had the victory. Grant and Porter had a remarkable relationship both professionally and personally, was a couple with a high impact on the outcome of the war.
<span>"Racism was deeply felt throughout the nation, and the civil rights gains of the Reconstruction period were rolled back by Jim Crow laws."</span>
<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>
