Answer:
D. Solved problems of the voters.
Explanation:
After an incumbent has finished a term as president or other position, they had to have done something for the people.
They sought to answer their necessity for growth and industrial production. They were producing and needed more resources and places to sell so they colonized places and they wanted to become stronger so that they could beat other European powers and then they more or less ruined the world with colonization and wars.
The main reason conflict has broken out in Northern Ireland is because of its unification issues. There was a divide between unionists, usually people who wanted to remain within the United Kingdom and were protestants and the nationalists who wanted to unify with the Republic of Ireland and were Catholics. There was constant tension as it was said the unionists mistreated the nationalists and violence soon broke out. Although the Northern Ireland conflict is technically supposed to be finished, sporadic violence still breaks out.
One of the ways in which the Crusades brought about the end of the Dark Ages in Europe was that they (by accident) opened up a variety of new trade routes, which led to increased travel and cultural diffusion. This was thought to be the "spark in the dark" as the Enlightenment.