The united states entered world war i on april 6, 1917, after:
the assassination of austria's archduke ferdinand
the sinking of the lusitania
the continued sinking of ships and loss of american life after the lusitania
the stalemate of trench warfare was unresolved

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.