What event resulted in police brutality and became known as "Bloody Sunday?" the marching of protesters at Selma, Alabama

student staged sit-ins at local restaurants

Dr. Martin Luther King's "I Have a Dream" speech

students enrolling at the University of Mississippi

Ahistorian has discovered a letter written by an early roman emperor. she translates the letter and discovers that it contains orders to a general before a battle. she works to determine when the letter was written to figure out which battle the letter references.the historian in the passage is most clearly demonstrating which historical thinking skill? a. identifying causes and historical contextb. thinking chronologicallyc. making and evaluating arguments and interpretationsd. analyzing historical sources