In 1990 what was the population density near chicago a. 45-90 people per square mile b. 90 or more people per square mile c. 6 or fewer people per square mile d. 18-45 people per square mile

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.