The conflict in Argentina known as the dirty war occured in the 1970s and 1980s.
C. Galileo provided observational evidence to support a theory originally created by Copernicus
<span>Westward Expansion and the American Civil War. To many nineteenth century Americans, the expansion of slavery into Western territories caused a great deal of controversy. ... These fears were realized when the expansion of slavery into western territories entered Congressional debates</span>
Answer:
As famous as Marco Polo is, he didn't invent anything. However, other inventions such as the compass and the boat influenced Polo. Marco Polo used the compass on all of his travels but especially to reach Asia.
Explanation: