What Pillar of Islam refers to having to take a
pilgrimage (trip) to the city of Mecca?

One of the five pillars of Islam central to Muslim belief, Hajj is the pilgrimage to Mecca that every Muslim must make at least once in their lifetime if they are able.

Explanation:

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:

c. more people could read and interpret the bible for themselves