Pictogram
The United States no longer exists in The Hunger Games. After the apocalypse, the US is reformed and is called Panem. Instead of states, there used to be thirteen districts, but there are now twelve.
Agenda Setting
It can be, but it may be called a 'determiner' instead. It can be used as a pronoun.
The word who is used when refering to a person; eg: He is the man WHO helped us. That is the dog THAT bit the man.
will you babysit for us tonight? - can is another word in this sentence
tea
I'm not sure just what you mean by "used instead of". Groundhogs are also called woodchucks, that term is probably more common in the UK.
Could be a mouse, a trackball or a touchpad.
The first us penny was used in 1787 it was called a Fugio Cent
I believe this is called "comp time" (compensated time)
cbeebies originally did not exist. it was merged with what we now know as cbbc, but it was called childrens bbc time instead
The first set of U.S. laws were called The Articles of Confederation. The framers were going to amend it, but instead wrote the Constitution.