What was one of the disadvantages the us faced during the war of 1812?

There were many advantages and disadvantages. I'll name one disadvantage for you. The American soldiers were unprepared. They weren't ready for a battle as their army hadn't been well developed enough.

Search on the internet

The statistics for the eastern war are grim. more than three-million men died in the fighting, more than nine-million men were wounded, and every major country which participated lost its form of government.