D: The conquests brought great power and wealth to the Romans.
If you are talking about them trying to expand in to present-day Canada, then it brought renewed conflict with Britain (war of 1812)
if it is towards the west, i guess it hampered technological development, because most people were moving west through the trails, instead of staying to help build up the economy
hope this helps
The discovery of gold and mining on the West led to a railroad boost as more and more people were moving there in the hopes of becoming rich. The growth the West was experiencing ultimately led to the Federal Government pressuring the Nez Perce (natives of Wallowa Valley) to give up their homeland to them. Natives followed their tribe leader, Chief Joseph, and refused to be forced onto a reservation, so they walked for 1400 miles attempting to reach Canada, but meeting their sad end when they encountered the US Army and battled them in the Nez Perce War.
Answer:
The national goverment was not allowed to have a standing army.
I think the main economic activity English colony was in "the province of Georgia"