What do amendments iv-viii have in common?

Amendments IV-VIII (4-8) all deal with the legal rights of American citizens.

Explanation:

Amendment IV protects individuals from unreasonable searches and seizures. This means that in most cases, a law enforcement agency must have a warrant in order to search an individuals property. Amendment V protects citizens from self incrimination and double jeopardy. This means that individuals cannot be tried for the exact same crime twice. This prevents government harassment of citizens. Amendment VI ensures that citizens have the right to a fair and speedy public trial. Amendment VII ensures that citizens involved in a civil case have the opportunity to have their case tried in front of a jury of their peers. Amendment VIII prevents the government or law enforcement agencies from setting an excessive bail amount.

a is correct

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