What caused the United States to enter World War II?

please need answer

Which fact would this be, and how might you verify the truth?

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty

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.