What number president was JFK (John F. Kennedy) and what does his middle initial stand for?

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

In 150 to 200 words, use evidence to compare the ideas of the abolition of the slave trade and the abolition of slavery

What was one of the most important causes of the russian revolution of 1917? a. the german occupation of russia during world war ii b. the bolsheviks execution of czar nicholas ii and his family c. csar nicholas ii refusal to withdraw from world war 1 d. the policy of ethnic discrimination put in place by the duma