How Lincoln's position on slavery evolved during the Civil War. Plz help me answer this question

Why hadn’t europeans used maritime routes before the age of exploration?

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

What was the historic border between the united states and mexico?