What was the continental system and was it effectively

Continental System, in the Napoleonic wars, the blockade designed by Napoleon to paralyze Great Britain through the destruction of British commerce. The decrees of Berlin (November 21, 1806) and Milan (December 17, 1807) proclaimed a blockade: neutrals and French allies were not to trade with the British.

Explanation:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

i would go with the last one