How do primary source differ from secondary source

Primary sources (such as correspondence, diaries, memoirs, and personal histories) are firsthand, contemporary records of incidents produced by people during that period of time or several years later. Generalizations, analysis, perception, and synthesis of primary sources are often used in secondary sources.

Explanation:

- Eijiro

although the legal justifications for the trials and their procedural innovations were controversial at the time, the nuremberg trials are now regarded as a milestone toward the establishment of a permanent international court, and an important precedent for dealing with later instances of genocide and other crimes

answer; i believe that the correct answer is (c) arctic tundra;