Answer:
Ottoman Turk rulers is the answer.
Explanation:
I'm not exactly sure, but it sounds like lightbulbs or motors to me.
Well, there are a few reasons, but I will give you an advantage, where you can find the disadvantage from it.
Europe has a small coastline, but with it, there's a sea that leads straight to north America. That means there's easy transport of goods.
The answer would be A. However