The Aztec culture consisted of 20 extended families of which three principle officers were in charge of governing their particular family. However when it came to electing a king that was determined by popular vote among the citizens 15 years of age or older.

In nineteenth-century opera, the orchestra: a. became less important as vocal lines became more important. b. was reduced to a small group as opera houses became smaller. c. became more important than the vocal lines; the voices now accompanied the orchestra. d. increased in importance, sometimes providing special effects and overshadowing the voices.