| A | B |
|---|
| history | a record and explanation of past events |
| A. D. | used to show that a date falls within the Christian era |
| cause and effect | a relationship where one event leads to another |
| biennial | once every two years |
| ante- | prefix meaning "before" |
| primary source | an original account of a historical event |
| post- | a prefix meaning after |
| decade | a period of 10 years |
| frame of reference | a set of beliefs or attitudesw that influences someone's view of events |
| quincentenary | 500 year old event |
| secondary sources | encyclopedias, textbooks, biographies |
| chronology | order in which a series of events occurred |
| hypotheses | preliminary conclusions |
| generalizations | broad conclusions |
