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.
Cyrus McCormick built the mechanical reaper
Some would argue the Soviet Union, while others say the US. It depends how you look at the question. There are certain things that prove it was the fault of one while some prove it was the fault of another.
The goal of the writers of the Lecompton Constitution is humanitarian aid to slaves. It was proposed for the state of Kansas in response to the anti-slavery position of the 1855 Topeka constitution and other free state advocates. The constitution protected the slave holder rights, enshrined slavery and allowed voters the choice of allowing more slaves to enter the territory.
The advance of the Ottoman Empire into Europe was stopped b the fact that they an unsuccessful siege in Vienna. Following on from this, their Encampment was also routed by Jan III Sobeski, of the Polish Army