What led to the US into World War 1?

What occurred as the number of public schools began to grow in the South? What is the value of a 1932 US 5 dollar gold certificate? What were socks made out of before elastic was invented? What are Three words that describe slavery? What was the slave population in the US at it's height? Is the union north or south in the cilvil war? Why britisher acted so cruelly in the war of 1868? Harry S Trumans educational? What was a consequence of John Brown's raid on the federal arsenal at harpers ferry? What is the value of a 1957 G US 1 dollar silver certificate? What did the french call their north American territory? Where was John Glenn born and raised? What is the value of a 1964 US 2 cent piece? Why cant white people fight? A native American tribe that has the word bat in it? What is the worth of an American silver dollar made in 1880? What is the value of a 1960 American quarter? What is the value of a 1942-D silver quarter? Black abolitionist writer who called for a bloody end to slavery in an appeal of 1829? Which rights did the document drawn at the meeting in Philadelphia in 1774 include?