Answer:
If the American colonists never stood up for themselves and their country, (causing the Battle of Lexington and Concord and later on, the Revolutionary War), America would still be under British control. Although many American and British men died, these battles will always be a major turning point in history.
The promise of prosperity in the cities attracted multitudes of poor rural dwellers. These new city dwellers however only landed job opportunities in numerous factories that dotted the cities. Working conditions in these cities left much to be desired with inadequate water services, disease, and unpaved streets. Nevertheless, other poor people in the cities lacked jobs and many actually starved to death. As such, the poor fend for themselves. No one provided any services for them. However, this soon changed with the advancement of the progressive agenda.
Regardless, religion was always the primary trigger for a crusade. Though religion always played a part, the perceived threat to the church evolved. The first Crusade focused solely on ridding the Holy Land of Muslim forces. The popes began to use crusades to combat any perceived threat against the Catholic Church.