He was sure of the constitutionality of a president purchasing a territory
Answer:
Vigilante.
Explanation:
Vigilante is a form of the word vigilant, which means "keeping a watchful or close eye on events and people." Sometimes a vigilante will make news for catching a criminal, and sometimes vigilante groups form to target crimes in a bad neighborhood. A common combined use is "vigilante justice," which refers to a form of law-keeping outside of the official channels of police and the courts.
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Governments typically gather support for a war effort through propaganda, bond drives and grand patriotic activities
