Why is the byzantine empire important to europe

In egypt, about 50 percent of the population lives in the nile valley. true false

Why did settlers decide to establish olympia where they did? they thought the land was good for farming. they could trade with american indians. they found water access to puget sound. they were given land by the us government.

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus