Yes, I think he still would have been as motivated to pen the Gettysburg Address even if massive numbers of casualties hadn't occurred.
B. Most nations had one primary religion.
The Reformation had occurred in the 16th century (the 1500s). By 1600, the positions had solidified, and nations typically were of one religious position or another. Italy, France and Spain and certain other states remained staunchly Roman Catholic. Most of the German states had become Lutheran, as had Scandinavian countries. England had established the Church of England, its own brand of Protestantism. Many cantons in Switzerland had become enclaves of Calvinism. There wasn't much of a notion yet of religious diversity within the same community or society. Each principality or territory tended to have one official religion operating in it.
The steamboat. it helped travel rivers upstream
Europeans and Westerners exploited Africa and the people. Women and children were able to work at factories but received a lower pay than men because men are perceived to be more superior. Also, because of the industrial revolution, factories were built, decreasing the use of farming to make profit.