Answer:
It is our basic nationality
Lake Ontario would be the answer
Colombia.
Previously, Panama was part of Colombia, which denied the Canal that would cross the country as a commercial route proposed by the United States, because of this, the insurgent population of Panama or "rebels" were the US army to defeat the Colombian nation Satisfactorily, and establish Panamanian independence, which would consequently yield the fruit of the Panama Canal.
Metalworkers: They made weapons and cups.
Architecture: Designed Temples.
Music: Brought joy to gods and people who liked music.