Which of the following is a challenge created by modern science? A. Vehicles were mass peoduced.
B. Microships controlled digital devices.
C. Plants were used in medicines.
D. Weapons became more powerful.

ur mom

explanation:

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.

many women had to remain at home while husbands found work.

explanation:

a. "how old man winter was driven back” and “ormuzd and arimanes"