2500 to the nearest ten thousand

3000

Explanation:

First, identify the values of your number

2: thousand

5: hundred

0: tens

0: ones

So, the 2 is in the thousands place! But, we need to look at our 5, to determine whether or not to round UP, or DOWN.

Since, 5 is greater than 4, we'd round the 2 UP to 3, thus 3,000

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.

b

explanation: