Which statement is false?

an anti-vietnam war movement took place in the united states.
a formal settlement ended united states involvement in the vietnam war.
united states involvement in the vietnam war escalated over a number of years.
american support for the vietnam war increased after the tet offensive.

:) during the cold war, people were afraid of communists, both outside and inside the united states. the red scare and mccarthyism that grew out of these fears were damaging to the american way of life. during the mccarthy years, many of the freedoms guaranteed in the bill of rights were limited. write a paragraph explaining what lessons can be learned from the mccarthy era about what u. s. citizens need to protect in order to preserve the democratic political system and the american way of life.