D is the correct answer for this
Rene Descartes ( 1596 - 1650 ) was very important scientist. He invented the Cartesian coordinate system. He considered mathematics like the basis to all sciences. Descartes partially agreed with Copernicus` theory about the Heliocentric system. He had his theory - "theory of the vertex". because he was scared of the Catholic church, he didn`t totally agree with the Heliocentric system. He also had his "Method of doubt": Can`t be doubted = certainty = truth.
Answer: b. He proposed that through the use of reason and doubt individuals may arrive at understanding.
Answer:
- Laws
- Income Tax
- Federal Income Tax
- Immigration Reform
Explanation:
Here's a great website for this answer!:
https://courses.lumenlearning.com/boundless-ushistory/chapter/the-progressive-era/
Thank you and be sure to check out the website listed above!
They achieved unification in the 19th century!
