Answer:
Yeah, The Great Migration is correct
Explanation:
The right to Life liberty and pursuit of happiness (meaning you are allowed to do what makes you happy)
In late 1942, U.S . and British troops attacked the German army in North Africa.
The answer is:
The major industrial cities became overcrowded as workers from rural areas moved there.
and
Because of the steady increase in food production, the population nearly doubled between 1800 and 1850.