The pros of the Nile River are: it provided water for crops, gave a water source, and provided a food source. The cons were: over flooding, pollution, and caused destruction to homes and farm lands.
The 1876 Democratic National Convention nominated Governor Tilden of New York on the second ballot. The results of the election remain among the most disputed ever. ... The Compromise in effect ceded power in the Southern states to the Democratic Redeemers, who proceeded to disenfranchise black voters thereafter.
<span>Jane Addams and Ellen Gates Starr.</span>
I think the answer is that The 1850s was a pivotal decade in the 19th century. In the United States, tensions over slavery became prominent and events began to put the nation on the road to civil war. In Europe, new technology was celebrated and the great powers fought the Crimean War.