They divided the territory into provinces
The name of the territory claimed for Louis XIV of France by Sieur de La Salle was Louisiana. The territory was centered around the Mississippi River.
Because Cabot was exploring for England, and the other countries could not encroach upon the territory he claimed unless they wanted to start a war with England.
John Cabot who sailed for England claimed North America in 1497. Giovanni da Verrazzano claimed the land in 1534 for France. Some Spanish missionaries settled in Virginia in 1570 but were killed by Native Americans. The English sent a colony to Roanoake Island in 1584. At the time the land was considered Virginia but is now part of North Carolina. However all the colonists disappeared. James' Fort or Jamestown was established in 1607. It was the first permanent settlement by Europeans.
Giovanni Verrazzano was a Tuscan who sailed for the French in 1524. He was seeking the Northwest Passage. Later Henry Hudson explored the Hudson River in 1609. He claimed the land for the Dutch.
No, Illinois was never purchased. It was claimed by the French but soon ceded to the British and then later to Virginia who claimed it as part of their territory. A few years later Virginia gave up their claim to Illinoise territory to the United States who then deemed it part of the Northwest Territories.
George Rogers Clark is known as the "Conqueror of the Old Northwest" because he led the successful military campaign that claimed the Northwest Territory for America from the British. This territory was bounded by the Great Lakes to the north and east, the Ohio River to the south, and the Mississippi River to the west.
Great Britain
The United States was broken into territories before it was split into individual states. The state that claimed land in the Northwest Territory was Ohio.
Pennsylvania and Virginia. Incidentally, Toledo was claimed by the State of Ohio and the Territory of Michigan.
The Northwest ordinance was an agreement that in the territories to the Northwest would not have any slavery. The Mason Dixon line was also created, it was a line that separated the North from the South just above Maryland. The Northwest Ordinance of 1787 claimed that new slaves could not be in the territory above this line.
The explorer who claimed territory for the Dutch was Henry Hudson. He discovered both the Hudson River in present-day New York and Hudson Bay in Canada while searching for a Northwest Passage to Asia.
In 1763, the two countries that likely claimed land bordering the dispute in the Pacific Northwest were Spain and Britain. Spain claimed territory to the south, while Britain claimed territory to the north of the region, leading to overlapping claims and eventual conflicts over control in the area.
The English claimed Virginia in 1607
Spain claimed the territory of Florida
Fighting began when the king of France tried to take the territory claimed by England in southern France and England also claimed the territory.
If you are talking about the settlements in the occupied territory it is because that is the territory that Israel claimed after the 5 day war in 1967.