They were technologically superior.
By this I mean technologically superior for the time period. The English possessed the better weapons. For example they had the long bows which were better than the normal bows as well as cannons which is something that turned many of the battles in their favor.
Developing, developed, newly industrializing , least developed
Answer:
May I ask who them is ? possibly more details
Interventionalists believed providing aid to Britain would keep the US out of war