They all refer to the different types of government systems there are. An example would be that the United States has a a federal government system because both the state governments and national government share equal power.
D.they dis not want the goverment to regulate them.
Not in my opinion, construction workers do manual labor and they have to be very skilled and smart to build a sturdy home with the right measurements and all.
I believe that McCarthy was exposed for being a fraud. Hearings were broadcasted that showed how he intimidated witnesses and had asked abrupt questions. Interviews that had basically took away our basic civil rights.
