D) It was unsuccessful in bringing about unity and understanding of the races after the Civil War.
Hernando de Soto
On May 8, 1541, south of present-day Memphis, Tennessee, Spanish conquistador Hernando de Soto reaches the Mississippi River, one of the first European explorers to ever do so.
The 1830 Revolution ended the rule of Charles X over France, and Louis Philippe was placed on the French throne. Some of the causes of the French Revolution was the severe economic problems beginning in 1846 brought untold hardship in France to the lower-middle class, workers, and peasants.