What prompted America to join the Great War?

Was isolationism by the US justified why or why not? Where do you find a mintmark on a 1901 Morgan dollar? Which state was the last one to gain statehood in the Old Northwest? How much is the uncirculated Philadelphia coin worth? What was true about neighborhoods under de facto segregation in northern cities? Was fought because the south wanted autonomy? How much is an E Pluribus Unum 1943 coin worth? How many countries does America have? What term refers to a course of action that is selected from alternatives in light of current conditions to guide present and future decisions? What is the value of 1983 US one cent? Where did most immigrants to the US come from before the 1930s? Compromise between North and south the resulted in each slavve being 60 percent? How would john brown help you in the battlefield? How much 1 lb sugar cost in 1900? Who's face on 25 cent coin? What is eisenhower liberty 1776-1976 silver dollar coin worht? What were the results of the Civil War and what two key questions remained unresolved in its aftermath? How did Lincoln's grand father DIE? Why would people prefer to settle with others from their original homes? What According to bartolome DE Las Casas what factor motivated the colonists' treatment of the natives?