Recap questions :

1. What are primary and secondary sources?

Primary - Primary sources are information provided by people who were involved in
historical events or who witnessed the events.

Secondary- Secondary sources are the records of people who did not
directly participate in or witness the events they describe.
These records are the results of the study and investigations of primary sources.

2. How do historians make sure that their sources are reliable?

They make sure their evidence is reliable by using the
three C's - Ccredibility, Consistency and Corroboration - test.

3. Why and when is it necessary for historians to revise their interpretations of past events?

New pieces of evidence are constantly being discovered so historians therefore have to revise their interpretations of past events.

They revise their interpretations of past events when there is new pieces of evidence are constantly being discovered.