Which was rené descartes known for?
a. a new branch of mathematics called calculus and improved tools of astronomy
b. the theory of gravity and the three laws of motion
c. the cartesian coordinate system and the belief that mathematics can explain all of nature
d. the belief that observation and experimentation are necessary to acquire knowledge

Which statement best completes the diagram related to the supreme court’s procedures? a. a party in a lower-court case requests that the supreme court overturn the other court’s ruling in the case. b. federal judges nominate a small number of cases to be overturned by the supreme court. c. congress votes on which court cases should be reviewed by the supreme court. d. the president selects court cases involving new laws for the supreme court to review

Who was partially responsible for plotting the saint bartholomew’s day massacre? a. henry iii b. henry iv c. pope gregory vii d. pope innocent iii

Will mark ! how was the appointment of two consuls during the roman republic an example of a democratic principle?one consul represented patricians and one represented plebeians, so that all citizens had representation. each consul had control over the same number of military legions, which prevented either one from a forceful takeover. consuls had to agree on all decisions, which prevented any one person from gaining too much power. consuls had to make decisions based on majority rule in the senate.