How did Charlemagne attempt to ensure that his children would rule after him?

He crowned his son king

Explanation:

He always had good health until the last 4 years of his life and he would refuse to listen to the doctors. In 813, Charlemagne crowned his son Louis the Pious, king of Aquitaine, as co-emperor. Louis became sole emperor when Charlemagne died.

the first action that caused many creek indians to turn against william mcintosh was when mcintosh a) supported the united states during the creek war of 1813–1814. b) attempted to stop the sale of creek land to the u.s. government. c) seized control of over 1,000 acres of land belonging to the creeks.