It is revelant but is insufficient to prove his claims as it relies on his own beliefs.
The American Revolution showed the benefit of home field advantage if you are willing to undertake atypical warfare.
In short, the revolution showed that the colonists knew the land that they were on, knew which locals supported them, and knew how to supply and get around the more professional British army.
<span>Promote trade by reducing tariffs or trade quotas</span>