How did Kepler improve on Copernicus’s model?

Kepler modified Copernicus's model of the universe by proposing that the Paths of the planets follow an elliptical orbit around the sun. During his career, he became an assistant to astronomer Tycho Brahe.

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!