Answer:
The Crusades were organized by western European Christians after centuries of Muslim wars of expansion. Their primary objectives were to stop the expansion of Muslim states, to reclaim for Christianity the Holy Land in the Middle East, and to recapture territories that had formerly been Christian.
Explanation:
the answer is: A They ignored draft notices and became conscientious objectors.
conscientious objectors refers to the group of people who refuse the military draft because they see the act of killings in the war as a violation of their principles/mortality.
Despite their rejection, conscientious objectors. were still required to enter the military at that time. But they were not placed on the battlefield. They were placed on administrative duties.
During the 19th century, major cities started building sewage systems to remove human waste out of cities and into rivers.
I think it’s D but I’m not sure...