Senator McCarthy scared the people so much that they almost started accusing each other of being communist supporters. He claimed that anyone could be a communist spy and families even broke apart because some of them who weren't even communists got accused of being communists. Also people would spy on their neighbors and similar things to see whether they were sympathizers of communism.
The British army embarked on a massive and costly expedition to fight the French and their Native allies, which nearly bankrupt the British government. To help their economy, the British began taxing the colonists. The colonists didn't care for the enforcement of taxes and began protesting, attacking tax collectors, etc...
Americans became angry with president jimmy carter