They buy things, this putting money into the economy as a consumer.
Answer:
if you are talking about just in general animals and humans
1.) They had the French on their side.
2.) Guerilla Warfare.
Guerilla Warfare is a sort of petty type of combat - they ambush, use sneak attacks, etc.
In the past past, during Great Depression no one liked them because they had a whole bunch of rights and things that the poor/ lower class didn’t. Also in 1800s the upper class was the kings and rich men of the world, no one liked them because they were greedy and didn’t care for others but themselves