How did northerners feel about slavery in the territory gained by Mexico? Southerners?

Draw conclusions  why might a cause like italian unification successfully draw people of very different backgrounds together?  

Excerpt from w. e. b. du bois jon reese 4 du bois was one of the first male civil rights leaders to recognize the problems of gender discrimination. he was among the first men to understand the unique problems of black women, and to value their contributions. he supported the women's suffrage movement and strove to integrate this mostly white struggle. he encouraged many black female writers, artists, poets, and novelists, featuring their works in his crisis magazine and sometimes providing personal financial assistance to them. the cause was that w.e.b. du bois encouraged many black female writers, artists, poets, and novelists. what was the result? think about cause-and-effect relationships.

Which term describes a philosophy that supports representative government, human rights, and political equality? a. social contractb.liberalismc. serparation of powersd. absolute monarchy