Complete the following sentence: On March 13, 1960, less than six weeks after the first of the
Greensboro sit-ins, Martin Luther King Jr., delivered a sermon at the chapel. In the sermon he called for universal brotherhood and a life of spiritual richness. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️