Answer:
Methodist and Presbyterian missionaries established settlements
Lewis and Clark explored and mapped the interior.
John Jacob Astor made one of the first settlements.
Explanation:
The Oregon Territory was initially an extension of land owned by America until February 14th, 1859 when it was officially recognised as the State of Oregon and part of the Union.
Therefore, the three events that the United States used as a claim to the Oregon Territory are
Methodist and Presbyterian missionaries established settlements
Lewis and Clark explored and mapped the interior.
John Jacob Astor made one of the first settlements.
It was "John Smith" who issued strict punishment and a system whereby colonists could be given land if they agreed to farm it in the colony of Jamestown, since Smith was known as the "savior" of the Jamestown colony in this regard.
The ground-breaking U.S. Supreme Court case "Brown v. Board of Education" concerned B. racial segregation in American schools. It was one of the most important decisions in American history.
The Declaration of the Rights of Man issued during the French Revolution of 1789 "<span>c. provided a justification for the Revolution," since it listed several unalienable rights that the French citizens believed the monarchy had violated. </span>
