The American defeat of the superior British army lifted patriot morale, furthered the hope for independence, and helped to secure the foreign support needed to win the war
If you're talking about their social classes, then slaves were at the bottom.
He invented the carpet sweeper
The answer to the question asked above is that Father Mora uses slaves in a secret way so that no one knows about it. They also work in a less than desired manner. They are treated as poor slaves.
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