Answer:
Charlemagne served as a source of inspiration for such leaders as Napoleon Bonaparte (1769-1821) and Adolf Hitler (1889-1945), who had visions of ruling a unified Europe.
Explanation:
Charlemagne (c.742-814), also known as Karl and Charles the Great, was a medieval emperor who ruled much of Western Europe from 768 to 814. In 771, Charlemagne became king of the Franks, a Germanic tribe in present-day Belgium, France, Luxembourg, the Netherlands and western Germany.
Magnesium and calcium have similar chemical properties because they have the same number of electrons in their valence shells.
The correct answer is B) emergence of a written language
Unlike the other mentioned things, emergence of a written language did revolutionize Native American cultures. Everything else mentioned here was just there and completely normal as they were hunters and what not.
The computer mouse is used to "<span>C. control a pointer on the screen," although sometimes a "trackpad" is used for the same reason--with the trackpad usually being part of the computer itself. </span>
D. exporting more goods than importing
