scoobford

We use liters for soft drinks and liquor, but gallons for fuel, milk, and water. For recipes we use fluid ounces or cups since gallons are kind of a large for that.

It's actually a mixed system, similar to the UK but with less metric in the mix.

I disagree that there is any way to do it. Ultimately, people don't want you there and are unhappy enough that they're willing to die rather than cooperate. It is simply too expensive in terms of man hours, lives, and money to keep a population under occupation like that. At the very least, you need to do as the colonial powers did and exploit a local division to deputize some of the locals to rule on your behalf.

Yes, they win most of them. They mostly lose when they try to occupy a foreign country and do counterinsurgency.

https://en.m.wikipedia.org/wiki/List_of_wars_involving_the_United_States