Based on this map of oil imports, which nation imported the greatest number of oil barrels each day in the years before 2006?
china
b. australia
c. canada
d. the united states

D. the United States

Explanation:

The map works by colors. The darker the color the more barrels were imported. So since the United States is the darkest of the four countries that means they imported the most oil based on the map.

The United States imported around 5 000 000+ barrels, China 2mil-3mil, Canada and Australia imported 500 000-1mil barrels of oil.

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