Which of the following describes a difference between source 1 and source 2

Source one is a secondary source, while source two is a primary source.

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.

b because they both had so of the same chosen rules