The correct answer is Mexico, Canada, and Greenland.
This is the only correct answer for the following reasons:
1) Russia and Spain are in the Eastern hemisphere.
2) Argentina and Brazil are in the Southern hemisphere.
If you look at a map, you can see that Mexico, Canada, and Greenland are all in the Western Hemisphere and all three of the countries are north of the equator.
where is the story and the key events??
The right choice to your question would be D. Splitting work equally between two people.
Answer:
The new material that Neolithic people invent and use for making tools is bronze
Sparta placed more emphasis on B. Military service