What do you think was the greatest empire in history? and why?

Explanation:

1) The British Empire was the largest empire the world has ever seen.

The British Empire covered 13.01 million square miles of land - more than 22% of the earth's landmass.The empire had 458 million people in 1938 — more than 20% of the world's population.

The British Empire began with overseas colonies and trading posts and in the end comprised dominions, protectorates, and mandates, as well.  

It was made up of 13 million square miles of land - more than 22% of the earth's land-mass. In 1922, the Empire had a population of 458 million people or about 20% the global population.

The financial burden of World War I was the beginning of the end for the British Empire.

Japan's occupation of its territories in the Second World War and the loss of India in 1947 brought the days of the British Empire to a close.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

answer; i believe the correct answer is (the willamete valley);