Answer:
The greatest difference between the two countries was simply that American citizens generally thrived because of free market economic policy, whereas Russians suffered under the inefficiencies of their command economy.
The countries that rebelled mostly against Ottoman rule were Balkan countries such as Serbia and Montenegro.
The importation of African slaves into the Americas effectsly affected the Americas. In the United States, the acquaintance of slaves drove with a conviction of a "mediocre" race which penetrated southern culture for a long time. As a result of subjugation, numerous southerners couldn't envision a general public where whites and blacks lived as equivalents. It prompted major financial contrasts between the North and South.