It is because they thought that following what others did was like losing their identities.
Hope I helped!
The first slaves were introduced into the English-American colonies by a Dutch trader, who, in 1619, sold twenty of them to the settlers at Jamestown, Va.

Tsar Alexander II initiated a series of importantreforms in Russia. During his reign, the country's rail and communication networks were improved, resulting in increased economic activity and the development of banking institutions.
His political theory of government by the consent of the governed as a means to protect the three natural rights of “life, liberty and estate” deeply influenced the United States' founding documents.