The correct answer is: "He developed mathematical principles"
René Descartes (1596 – 1650) was a French philosopher, mathematician, and scientist who lived more than 20 years in the Dutch Republic and was one of the main figures of the Dutch Golden Age.
His great influence in mathematics has been his major contribution to the Scientific Revolution, although his work in philosophy is outstanding too. He developed the the Cartesian system of coordinates. He is considered the father of analytical geometry, which connects both algebra and geometry and which has been used in the development of infinitesimal analysis and calculus .
James J. McAlester contributed to the economic development in Indian Territory by making many lucrative coal claims and later on establishing McAlester Coal Mining Co.
Learning to write/memorize it
Answer:
If they weren't allow to then they should be send to prison. They weren't allowed to so they must to send to prison.
Explanation:
