<u>Answer:</u>
Russians declined the changes or progress that threatened their privileges and their society is widely controlled by landlords and landowning nobles. Their social structure is also very rigid.
The main chunk of Russians were laborers who are confined to the land and are masters who controlled their fate. The middle class people were too small as a group in order to have an impact or influence any effective changes in their society. The French revolution and the Enlightenment were bringing about liberal and nationalist changes but it didn’t affect the Russian dictatorship.
The fifteenth amendment gave equal rights to everyone as long as they were a US citizen. This was mainly done to combat racial discrimination, but it also affected gender religion and much more.
<span>African Americans were not protected under the law.</span>
There are several causes of the Great Depression, in the early 20th century and they have been extensively discussed by economists and remain a matter of active debate.
Actually, there was an initial stock market crash that triggered a "panic sell-off" of assets. This was followed by unemployment, since over 13 million people were unemployed by 1932 and, as a result, there was a terrible impoverishment.
To sum up, the correct answer is letter "D": Tariff and War Debt Policies, Farming Crisis, Income inequality and lack of credit regulation.