History:New Immigrants, American Federation of Labor. American Federation of Labor You need to write 2-3 sentences that A) give a definition of the term. You need to write 2-3 sentences that B) tell me why it was important to the time period back then You need to write 2-3 sentences that C) tell me why it is important to us today. Do that (above, A, B, C) for TWO of the above terms.