Whats the central idea of this article down and dirty: do men and women perceive cleanliness differently?

The central idea is the same as the main idea. Most of the time, the main idea is mentioned in the Title. Without reading the essay, I do not know what the central/main idea is.

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.