It's the bottom one, the establishment of the Supreme Court.
King George refused to approve laws that would establish judiciary powers which is the power of of a court to do what courts do (settle controversies, pronounce judgements etc) which in turn took away certain rights of the people so that is why the Supreme Court was established to give and assure people those denied rights.
Primary sources told an account of what actually happened because they were recorded from the actual event itself/saw the actual event
secondary sources (like our textbooks) arent 100% accurate because they are based off of the primary sources
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