Lincoln had to deal with not only the challenge of the South seceeding from the United States, but also the challenge of raising an army from Northern States who didn't want to get into a war.
In general, the Industrial Revolution, which originated in Great Britain, opened up lots of new opportunities for employment for people, which created a solid middle class.
No he's more or less a fictional character in a movie. There was a Thomas Gates who was a general but had nothing to do with the assassination.
Due to Safavid influence, present-day Iran is the only country that has SHIA MUSLIM STATE GOVERNMENT.
Their high regard to physicians have not diminished since the Safavid Dynasty. Instead, the status of physicians are higher than ever and the medicinal works used during Safavid Dynasty are still being used in present-day Iran.