The Battle of Gettysburg... a) was not as terrible of a battle as Ft. Sumter had been.
b) gave General Pickett his greatest military victory.
c) allowed Lincoln to announce the nation should have “a new birth of freedom.”
d) delivered to the Union control of the entire Mississippi River.

the crusades are one of the most significant events in the history of europe and the middle east.   they were a series of religious wars carried out by christian crusaders from europe during the timeframe of the middle ages.   beginning in 1095 ce, the crusades saw european knights and noblemen travel to the middle east in an attempt to capture the holy land away from muslim people that had controlled the region for the previous centuries.   the term crusade means ‘cross’.   therefore, the europeans that became crusaders viewed themselves as ‘taking up the cross’.   in fact, many of the crusaders wore crosses on their clothing and armor as they made their pilgrimage to the holy land.

explanation:

a.   it resulted in widespread unemployment.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;