B.many innocent people were investigated and some times bullied
C.investigators learned that senator Joseph McCarthy was a communist spy.
D.people who refused to cooperate with investigations often lost their jobs!!
The answer is C, investigators learned that senator Joseph McCarthy was a communist spy.
Answer: Notice that members of the House are elected every two years, whereas senators are elected for six-year terms. ... Senators are at least thirty years old and citizens for nine years. Another difference is who they represent. Senators represent their entire states, but members of the House represent individual districts.
Explanation:
C.International Negotiations
D. Poltiical Parties