Under the Land Ordinance of 1785, what had to happen before public lands could be sold? They had to be free of American Indians.
They had to be surveyed and divided.
They had to be free of enslaved people.
They had to have a school established.

They had to be surveyed and divided.

Explanation:

The Land Ordinance of 1785 was used in the establishment of the ownership of land that were in the west. The Land Ordinance of 1785 allowed for scientific surveying of lands and then a subdivision of the lands.

Subdivision of lands Land were based on the rectangular grid system. The lands had to be surveyed and divided before the were sold.

the two atomic bombs dropped on japan in 1945 killed and maimed hundreds of thousands of people, and their effects are still being felt today. the uranium bomb detonated over hiroshima on 6 august 1945 had an explosive yield equal to 15,000 tonnes of tnt.