The development of what industry was most responsible for advances in mass production?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

Why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?