The common synonyms are usually unknown, uncertain, unclear, etc.
Answer:C
Explanation: I passed the test
The information in the passage shows that it's a historical writing.
<h3>What is a historical writing?</h3>
A historical writing simply means a writing that's used to illustrate what occured in the past.
In this case, the information in the passage shows that it's a historical writing. It was based on the critical examination of sources.
Learn more about history on:
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Answer:
local unions, national unions, and federations.
Explanation: