what does the following question mean: "Has any one person made a difference in an area of society that we can still see the effects of their efforts today?"?

It means has anyone made something for society that we still use today

Explanation:

Try to find someone who has done something very important for us to do what we do now and you should be good

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

definitely a for sure. ill see and update if i get the answer