Answer:
a) the study of the political, social, cultural, and economic setting surrounding a historical event
Explanation:
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 .
Tenant farmers or women sorry if it’s wrong
According to many historians, the commodities that Egypt supplied to arab traders were copper and Gem stones.
The Sinai Desert was an important route of supplies for Egypt, Arab, and Africa for this particular commodity
hope this helps
