I think it is D: the spread of the Roman Catholic Church.
<span>There were several reasons the gap between the rich and poor grew during the 1980s. Unions, which had always protected workers, were in decline. Also, the global economy was changing and growing causing stiff competition among workers for available jobs. A third reason was that there was a burst of growth in temporary jobs and part-time jobs.</span>
the answer is c. I actually just finished studying this. good luck
