Answer: He should save his money.
Explanation:
Instead, maybe he could ask friends if he could borrow their vacuum cleaners.
There are so many ethnic groups which are by definition related via culture, homeland, history, etc...
Some are:
1. Asian
2. Latino/Hispanic (which also can be separated into 2 different sub-ethnicities) 3. Middle Eastern
4. American
It is an exemple of checks and balances
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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I believe they were extending the revolution through the medium of anti slavery, the strongest Union principle.