sentences:  Much to the consternation of Evanston residents, student protesters also erected a barricade at the major intersection of Sheridan Road and Chicago Avenue, both major thoroughfares in Evanston.A May 8 rally at Dyche Stadium that attracted approximately 5,000 students and community members prompted Evanston city officials to request activation of the National Guard, but this potential conflict was avoided after the Guard were diverted away from the stadium.The Rebecca Crown center, Vogelback computing center, and Lunt Hall (housing the NROTC program) were closed following disturbances by student protestors.