Senator joseph mccarthy emerged as a leader of the red scare of the 1950s because he

Senator McCarthy spent almost five years trying in vain to expose communists this made it so people were frightened to stand against him

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.