D. ancient seas because sedimentary rocks form when there is alot of pressure.
This information was taken from the article <em>"Three Forks Area", </em>published by the Oklahoma Historical Society. The complete paragraph goes as follows:
One of the earliest people to set up trade in the Three Forks area was Jean Pierre Chouteau. He and his brother had been running a successful trading post for years in their St. Louis Headquarters .The trading post at Three Forks was set up on the Neosho River in 1796.
Jean's half-brother's name was August Chouteau.
The United States provided critical aid to Great Britain and the Soviet Union.
Answer:
correct answer is C
Explanation:
hope this helped Mark BRAINLEST
