John Locke was an English philosopher known for keying the term “life, liberty, and property” and believed in a social contract between the government and its citizens. He believed in natural and law, and thought that if that natural law was violated the people had the right to overthrow their ruler. Due to Locke’s strong belief in free will, it could be inferred that Locke opposes men being controlled against their own will.
B. Because even with many issues that plagued the Roman Empire economically and politically, By the later years of the empire the Roman military was mainly comprised of trained Barbarian soliders who were inferior to earlier Roman soliders causing a significant decrease in the Roman Empires's Military capablities so many barbarian tribes that began to grow such as the Huns, Vandals, Goth etc. Put immense pressure on the Empire, driving them into the ground economically and causing many issues within the government and eventually being sacked, thus marking the end of the Roman Empire. Sorry for the wall of text but hope this helped :)
The first Mughal emperor was Babur who is also known as the founder of the Mughal Dynasty.