 Complete the following phrase:  In the spring of 1970, after President Nixon announced that the Cambodian Campaign would be extended, the college held two heated teach-ins about the conflict. Many other college campuses were home to student strikes across the nation. On May 7, 1970, the faculty voted 5239 in favor of closing the college in protest of President Nixons handling of the Vietnam War and the killing of students by National Guardsmen at 