Answer:
The house of unamerican activities committiee was run by United states House of representatives.
Step-by-step explanation:
It investigated the communist activity that prevailed in US during the period of cold war. It also wanted the common civilians to undergo inquiry and trial in the court based on the charges of suspicion. As there was huge tensions that prevailed in US against Soviet Russia, The house of unamerican activities undertook investigations regarding communist infiltration in US.
The charges were like a pressure on the civilians who determined this investigations to be as cruel as a witch hunt. People were dissatisfied and they felt that such investigations ruined their career and good fame in the society.