They tried to limit expansion because they thought the Indians would kill them all. They threatened all the colonists and forced them to stay in the colonies.
Answer:
They served as land guides, pilots and spies for the U
nion army during the 1862 Peninsular Campaign
<span>A. increased trade and prosperity</span>
If you're talking about WWI then their military was restricted heavily, they had war reparations, and all of this was topped off with out of control debt and inflation. Essentially, everyone was mad and poor.