Joseph McCarthy gained public attention by claiming to have a list of communists in the government.
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Lords could levy taxes on their townspeople
Rome was a powerful and huge empire for a long time, which controlled most of Europe. It is important for many reasons. First, the Ancient Romans have influenced world’s culture and made a huge impact on the development of technology and science. Secondly, Roman Empire had a great political significance, since Romans were the first who created a Senate.
However, determining the precise beginning and ending to any "period" is often arbitrary, since it has changed over time over the course of history.