What's between the big bang theory and a nebular hypothesis

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another?focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery?question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.

What was significant about the 1896 supreme court rulling in plessy v. ferguson