Why did the columbian exchange lead to an increase in the demand for skilled labor in europe?
a. the need for workers in the colonies created a shortage of skilled labor in europe.
b. european merchants began to build large manufacturing plants in urban areas.
c. advanced technologies that required trained workers revolutionized european farms and mines.
d. an abundance of raw materials from the new world needed to be made into finished goods.

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation: