5. Cistercians- founded in 1098 as a reformed offshoot of the Benedictines developed new agricultural techniques- ways of draining swamps and the use of crop rotation
12. Gregory VII – (hide brand) became pope in 1073 wanted to free the church from secular control
13. Lay investiture- the practice by which a high-ranking lay person could appoint bishops or abbots “investing” them with power and requiring their loyalty
14. Henry IV – German emperor who objected to the popes ruling
15. Concordat of Worms- whereby the emperor agreed that rulers would no longer have the right to appoint bishops; all bishops would be elevated and consecrated by church authority