They created the number system and discovered that the earth was round by studying eclipses.
Hope this helps.
Answer:
Charlemagne, or Charles the Great, was a powerful king who reunited most of Western Europe through his conquests. He was an able administrator and brought about economic reforms to bring prosperity in his kingdom. Charlemagne is famous for his work towards the development of education like building of schools and standardization of curriculum.
Explanation:
<span>Economic nationalism refers to the ideology that supports certain policies that emphasize the domestic control of the economy.
In the first half of the 19th century, economic nationalism was characterized by
its support for the national banks in the aspects of:
1- protective tarrifs
2- internal improvements</span>
Options are c and a have gdvday
