Does the 6th Amendment, right to a jury trial, mandate that a jury must have 12 members?

Explain the history of the Court's interpretation of jury size?

In what historical case did the Court state, "a jury comprised of 12 persons, neither more or less." What was the Court's reasoning for making this statement?

Explain the Supreme Court's interpretation of jury size in their 1979 case.

Please remember to list your references in Bluebook format.

Note that your essay answer should contain a minimum of 350 words.