She could've learned that good things don't last forever, or that it's best to address any problem no matter how small in case it turns out to have a lasting effect
The Greek word mono means one.
Having this in mind, monophonic music uses only one voice.
The answer is false because laws enforcing workplace safety did not show up until 1970.
Protection from cruel and unusual punishment
The 18th ammendment was the Prohibition of Intoxicating Liquors. It banned all alcohol, so all the people who liked alcohol rebelled. The 18th ammendment was repealed later in 1933.