There was both guerilla warfare and trench warfare in this global war
There's three possible answers I found. The first one being that they worked in a bike shop, the second is that they were self taught, and the third is that there was this guy named Charlie Taylor who worked for them and he pretty much built the engine of their first planes
Answer:
Shaala. com
Explanation:
search here a good home work link
His scientific philosophy was carefully built in Descartes idea about mind-body dualism.