The Cumberland Gap is

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

The most important units of the english armies which fought during the hindred years war were composed of

Lincoln fought to prevent secession from the united states of america. true or false?