What was the effect of the rise of the mass media during the 1920s? a) it led to increased membership in labor unions. b) it contributed to the development of a national culture. c) it caused mass migration from rural to urban areas.

The answer is B

It contributed to the development of a national culture.

b. she founded a new dynasty that ruled egypt for generations.

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.