What was a direct response to the U.S. invasion of Cambodia in 1970?(1 point) Responses students went on strike in over 1,200 campuses students went on strike in over 1,200 campuses Almost half a million people protested at Central Park Almost half a million people protested at Central Park many colleges had teach-ins many colleges had teach-ins My Lai Massacre occurred My Lai Massacre occurred

Many colleges had teach-ins.