19. Who led the defense of Tours in 732 CE and successfully held off the Muslim invasion? A. Charles Martel B. Charlemagne C. Otto the Great D. Richard the Lionhearted
20. The Middle Ages is the time period from
A. 500-1500 CE B. 1000-1500 CE
C. 800-1000 CE
D. 500-1200 CE

Describe hiw the meanings of the constitutional clauses that grant powers to congress have been defined

Which statement best completes the diagram related to the supreme court’s procedures? a. a party in a lower-court case requests that the supreme court overturn the other court’s ruling in the case. b. federal judges nominate a small number of cases to be overturned by the supreme court. c. congress votes on which court cases should be reviewed by the supreme court. d. the president selects court cases involving new laws for the supreme court to review

When conducting research for forming a hypothesis, which practice should historians follow?