Matching (Note: No Answer Used More Than Once; Some Not

Matching (Note: No answer used more than once; some not used)
-A type of source in historical research thought to be less reliable than other types of sources because it lacks a direct connection to the subject of the study.

A) Primary
B) Internet
C) Internal analysis
D) Secondary
E) Artifact
F) Trivia, anecdotes, jokes
G) Social media
H) Case study approach
I) Tertiary
J) External analysis