The best answer would be: Ethnicity
Native American tribes are grouped by the language they speak. For example, the Apaches are a group of several tribes that all speak the same language.
The correct answer to this open question is the following.
This is a statement. It has no question at all. Probably the question should be "Why did the historical account of the Viking change?
If this is the case, then the correct answer is "Researchers analyzed evidence to discover that a Viking buried with weapons was female."
This new study created some controversy in that, traditionally, historians had believed that Vikings warriors had been only men. Women had other functions and activities in Viking's societies. So when the results of the 1970 study were published, it made historians believe that if the body found in the tomb was a woman body, then there should be many other women at that time that were warriors too.
The French Revolution sparked a branch which grew into a flame. Neighboring people to France saw this uprising as a time of opportunity and change. In a sense the French Revolution opened the flood gates for revolutions all across Europe which led to more power to the people, but also involved a lot of bloodshed
Answer:
The profitability of mining discoveries