In your opinion, what was the most important accomplishment of the freedmen's bureau?

I would say that it was building schools. The Freedmen's bureau built numerous schools which helped emancipate African-American people. Without the schools they would just remain on the same level in a society that they had before slavery was abolished but because of schools many of them managed to become successful politicians or artists or businessmen.

12 days because 1/4 is 25% of 100 if 100 is equal to 1 pound then multiply 3 by 4 which equals 12