Answer:
Causes. On the surface, the most apparent cause of the Enlightenment was the Thirty Years' War. This horribly destructive war, which lasted from 1618 to 1648, compelled German writers to pen harsh criticisms regarding the ideas of nationalism and warfare.
D. Established the independence of Texas
The storming of Bastille happened on July 14 1789.
Cabin pressurization. It made it so we can fly above 10,000 ft.
