Answer :
The answer would be A: It showed the shift from an agricultural based-economy into an industrial-based economy. The 1920 Census was the first to show a greater number of Americans living in urban rather than rural areas.Most African Americans in the South worked as farm laborers; their movement to northern cities such as Chicago and Detroit signaled their shift from that farm labor to industrial-based labor, but it also stoked racial divides leading to oftentimes violent conflicts with their white, northern counterparts.
i think its a It showed the shift from an agricultural based-economy into an industrial-based economy. The 1920 Census was the first to show a greater number of Americans living in urban rather than rural areas.