U.S. President George Bush ended his five-nation tour of Africa today, pledging billions of dollars for health, education, and development projects around the continent. The president's tour ended in Liberia where he participated in a number of events with Liberian President Ellen Johnson Sirleaf. This news release shows President Bush fulfilling his role as the country's.... A.)party leader B.)Chief diplomat C.)Chief executive D.)Chief agenda setter PLZ HELP ME!!!!