One of the reasons why Thomas Paine believes that the youth of the colonies is an advantage over Britain is that the there is more vibrant energy--also that they can entice creditors from overseas.
Step-by-step explanation:
Paine understood their current, youthful soldiers would be more motivated to accomplish their goal (whether that was fighting in a battle, spreading their knowledge, or training) as well as their comparatively new established communities had almost nothing to lose. Whereas if their elder opponent lost, they would suffer a bigger deal.