The main way in which the causes of the enlightenment were similar to the causes of the industrial revolution was that both focusses on the "common man" instead of the elite.
The reason they went to war is when the Athens interfered in Persian affairs.
The three powers are : The power to raise armies,to declare war, and write bills to be approved by the president. I find these three most important out of all because these affect our economy and country more then the rest (Not saying the rest aren't important just don't think there as important as the three i listed above)