Number the events related to the northwest ordinance of 1787 in chronological order.
_1. Congress passes the ordinance of 1785.
_2. A territory can apply for statehood when it has 60,000 free people
_3. Great Britain gives the northwest territory to the United States.
_4. Congress passes the Northwest ordinance of 1787
_5. The American revolution ends
_6. When a territory has 5,000 free adults makes it can elect its own leaders