Following the 1966 Supreme Court decision in Miranda v. Arizona, police began informing people placed under arrest that they "have the right to remain silent."
What basic freedom is this meant to protect, and how does it affect arrested
individuals?

it is B

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Its (B) The protection against self-incrimination; it informs them that speaking to law enforcement could incriminate them.

Explanation:

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d.prevent the spread of communism outside of eastern europe.

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws