The answer is D. This is because we want the Supreme Court Justices to be impartial. They should be allowed to go against the President or Congress without fear of not being reelected.
Romans came from the Italian pensinsula and came to Britain in the early first century. It was a gradual process and they slowly started conquering the different parts of the British isles during that time.
Vikings came from the Northern parts of Europe and they started conquering the British isles in later periods.
Both came and wanted to conquer the lands, while Romans were 'established' conquerors and started governing these areas soon by spreading their culture etc. The Vikings on the other hand had pillaing more in mind and did more of that and did not govern that much from the beginning.
Answer:
The British Empire expanded to include most of India, large parts of Africa and many other territories throughout the world.
