This is slightly subjective, but in general the biggest flaw in the Articles of Confederation was that "<span>e.It failed to align states’ economic and political interests" which was a vital factor in making sure the US could repay its war debts. </span>
The French trappers and hunters were not looking to take over the lands that the Natives were living on. During this time, they were more interested in running a profitable trade with the Natives than actually subjugating those who were already living there. This led to a friendly coexistence during the early colonization period.
The answer to your question above is a credit card, in my opinion.
Hope this helps! God bless
-vf