Answer:
An amendment must be ratified by either the legislatures of three-quarters of the states or state ratifying conventions in three-quarters of the states.
1. B. public schools, women’s colleges, and new reading books
2. A. to create educated voters
3. B. Women were expected to keep quiet in public.
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 .
Rotation.
Crop rotation is when a farmer changes the crops grown in the same field each year to ensure he gets the best harvest possible by not exhausting the soil of specific nutrients by repeatedly growing the same thing.
C. Federalism
What is funny, is I'm am learning about this in school too!