Which disadvantage did african americans have that other ethnic groups did not have in achieving economic and social gains in the united states? a) too few to make an impact b) cultural and language barriers c) a history of legal segregation d) different citizenship requirements

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

hilary clinton

explanation:

trump won the popular vote and ended up becoming the president in 2016 because of this and the electoral college.