Out of the options in the list, "profit" would be the primary incentive in a free-enterprise system, since in this system people are allowed to keep the money they make.
1.<span>The </span>First Crusade<span> (1095–1099) was the first of a number of </span>crusades<span> that attempted to capture the </span>Holy Land<span>, called by </span>Pope Urban II<span> in 1095. It started as a widespread pilgrimage in </span>western Christendom<span> and ended as a military expedition by </span>Roman Catholic Europe<span> to regain the Holy Land taken in the </span>Muslim conquests<span> of the </span>Levant<span> (632–661), ultimately resulting in the </span>capture of Jerusalem<span> in 1099
2.</span><span>Sant'Angelo pope</span>