The united states has an open class system based on social mobility that includes a. horizontal mobility. c. intergenerational mobility. b. vertical mobility. d. all of the above select the best answer from the choices provided a b c d

Option D i.e All the above is the correct answer.

The United States has an open class system based on social mobility that includes horizontal mobility, intergenerational mobility and vertical mobility.

Horizontal mobility refers to movement from one position to the another within the same social status while as vertical mobility refers to the movement from one social status to the another. Intergenerational mobility is the change in social status between different generations within the family.

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