In what way was the first crusade, launched in 1095 ce, similar to the third crusade, launched nearly a century later

D - both had the objective of conquering Jerusalem. 

All the crusades that started out in Europe in those  times were created with the main idea an mission of invading and conquering Jerusalem and reclaim the holy city back into the hands of christian warriors. 

The social difference that caused sectionalism in the antebellum era would be c.)  north was disorganized. the north had slow population growth, where as the south had mass immigration.hope this really mark