Who was the us president during world ar 1?

What was the longterm effect of the bleeding kansas problem? What are Levittowns? How much is an 1827 silver dollar worth? Where were the Federalists located? What effects did European exploration and colonization of the Americans have on the Americans and native Americans? Commander of all union forces by 1864? 1957 red US one hundred dollar bill? Why did the Americans enter into World War 1? Where is the mint mark on a US Mercury Dime? When did the confederate capital fall in the civil war? What is the silver content of 1929 buffalo nickel? What do States' rights including secession Equality of the sexes Abolition of slavery have in common? In 1899 and 1900 what did U.S. Secretary of State John Hay do? How were slaves treated when they came to America? You want to be a mercenary? Which state was the first to secede in the civil war union? What is the value of a 1943 tin wheat penny? What did the north south and west each like or dislike about a protective tariff and internal improvements and the national bank? What were the Four basic rights women were deprived of during the 1800's? What do the letters JZ printed in blue ink under the torch on the front of a new US 10 dollar bill mean?