In the speech written in the Gettysburg Address Lincoln was defending civil rights. He was equally defending freedom and dedicated his speech to all the soldiers who lost their lives defending freedom and their beliefs. Lincoln also mentioned fundamental American rights, such as the United States being a country "by the people and for the people." His speech is one of the best known speeches in American history and marked one of the end points of the Civil War and the defeat of the Confederate Army by the Union Army.
Two most important factors were the development of industry and industrialization, and the slave trade. People started accumulating large amounts of wealth due to these two and started investing them in businesses, both personal and by other people. This led to the development of capitalism not only in Europe, but other places too.