It is the first amendment
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.
The brinkmanship enables the country to manage a strong position without engaging itself in the conflict.
<h3>What is brinkmanship?</h3>
The brinkmanship has been the political policy and the condition that enables the county or the group to use a dangerous event in order to bring forward advantageous results.
The country that has been following the brinkmanship practice will be using the position of strength without being involved in the conflict. Thus, option A is correct.
Learn more about brinkmanship, here:
brainly.com/question/2791581
