The common synonyms are usually unknown, uncertain, unclear, etc.
Answer:
The answer is B. lack sufficient votes to pass a law.
Don't be like the other guy
The correct answer is definitely the historical method.
You should observe words and their usage as it developed throughout history.
Answer:
C. people interested in developing a sound
Explanation:
The whole passage was about "Motown records" and their history of growth till date. That's what make interesting and the celebrities that these Motown Records featured. The other options like Music and history or research about the "Big Three" companies or someone interested in becoming like Lindsay Lohan. But the actual point of interest is people about the who are interested in developing a sound.