The slaves were considered property of the owners instead of humans and inferior to the white. Correspondingly, the black slaves were denied the voting rights and the political participation. Thus, what Lincoln states makes a good point. The long-term existence of the slavery exerts a profound influence on the modern society, with the racial discrimination a conspicuous one.
In the Gettysburg Address, Lincoln tries to persuade audience to participate into the cause of fighting for liberty, freedom and democracy. There is no doubt that liberty, freedom and democracy we high value in the modern society are the core values that maintain the healthy development of the society. However, in consideration of the numerous problems such as racial and gender discrimination, the unequal treatment of the immigrants, more efforts should be done to fight for liberty, freedom and