Answer: its d
Explanation: The First Crusade (1096–1099) was the first of a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The initial objective was the recovery of the Holy Land from Islamic rule. These campaigns were subsequently given the name crusades.
Mainly through better advancement in technology and our understanding of engineering. What with us going from living in caves to making wooden homes to now living in steel and concrete.
Laissez-faire or free enterprise system is the principle wherein the government has little or minimal interference in the nation's economy.
This principle allowed more people to open, specialize, and industrialize their business efforts. This practice boosted the economy making more profit not only for the business people but for the nation as a whole.
It also benefited consumers because they were able to have more choices in terms of basic and luxury products.
?????????!?????!??!!!???!?!?