Which statement about charlemagne's achievements is not true?
a. he was crowned the first emperor of the holy roman empire by pope leo iii in a lavish ceremony in rome.
b. he was a king of the saxons who resisted the pope's efforts to spread christianity throughout gaul.
c. he established schools and supported monasteries in their efforts to preserve learning.
d. he waged war against the lombards and the moors and greatly expanded the territory of his empire.

b. He was a king of the Saxons who resisted the pope's efforts to spread Christianity throughout Gaul.

Charlemagne was King of the Franks. He actually went to battle with the Saxons and christianized them, even going as far as punishing them with death if they did not convert to Christianity. The Massacre of Verden occurred during the Saxon Wars against Charlemagne’s rule. 

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.