In what ways did people protest against the vietnam war?

The protests began in 1963 and spread at high speed throughout the United States. That was when the US polarized between those who advocated continuing the war and those who wanted immediate peace. The movement saw the participation of students, mothers of soldiers, African Americans, hippies, educators, religious, academics, journalists, lawyers, doctors, military veterans and in general all the factions of the American society of the time. The oppositions were from large peaceful demonstrations - highlighting on April 24, 1971, when more than 500,000 people marched peacefully through Washington D.C against the war - and violent street riots.

the name of the theory is landmass theory.