Who led the hunt for communist in the u. s in the 1950

Senator Joseph McCarthy and the House Committee on Un-American Activities

Mark as brainliest ^-^

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

answer: i think it might be the last one

explanation: