It was "James Watt" who invented the piston-driven steam engines that powered all kinds of machines in the Industrial Revolution, since this greatly increased production rates and efficiency.
It's true they were brought to the colony of Jamestown in 1619.
D
it was one of the most important wars but deadly
It was founded by Roman Emperor, Constantine when Rome split into 2 separate empires. Constantinople became the Capital of the Eastern Roman Empire. The modern day of location of Constantinople, is Istanbul, Turkey.
B. both were total wars involved countries entire populations(apex)