Acomma should not be used to separate compound elements set apart an introductory phrase separate narration from quotations set apart introductory words or interjections

A comma should not be used to separate compound elements. Compound elements should always be together, they cannot be separated by a comma. In the other cases, comma should be used.

The answer is it organized land into districts. territories, and states.this ordinance created by thomas jefferson established a set of guidelines and procedures for a territory wanting to apply to be a state in the union. it also ensured that these territories in the northwest would not be slave states.