Simply put, a representative democracy is a system of government in which all eligible citizens vote on representatives to pass laws for them. A perfect example is the U.S., where we elect a president and members of the Congress. We also elect local and state officials.
This idiom means you're nervous or fidgety.
Answer:
C) You have to know what Calvin is reading.
Uhhhhh, wow. I'm surprised that you havent figured this out. Unless you aint in the USA then i'd understand. BUT SERIOUSLY, C'MON. Here's the answer:
They put up a memorial to show respect to the soildeirs who died for our country protecting its rights, and from being taken from us and made a communistic country.