From the year of 1760 to 1820 or 1840 (one those could be your answer so.
1820years - 1760years =
60years
or if its the other year (1840)
Then try going with 1840years - 1760years = 80 years
So, either 60 years or 80 years would most likely be your answer! (If that's one of your options )
I’m pretty sure it’s systematic agriculture
The correct answer to this open question is the following.
Unfortunately, you forgot to include the map to answer your question.
However, we can comment on the following. Hope it is useful.
We did some research and found a map titled "The Viking Age, A.D. 800-1000." The map is included in a lesson to develop Geography skills such as interpreting symbols, lines, and labels.
If this is the correct map to your question, then the correct answer is the following.
The city on the map that is farthest from the Vikings' homeland is Rome, followed by Paris, and the closest city to Vikings homeland, that appear on the map is London.
The homeland of the Vikings was the modern-day Scandinavian territories of Sweden, Denmark, and Norway.
Answer: Anthropology
Explanation: You can get this from the suffix anthro, which means having human characteristics. That, and geology is about the land of the earth, and archaeology is just study of history.