Needing ! not sure what my essay needs so !

Why was the german military occupation of the rhineland a problem for europe nation ?

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

The occupies the territory between the coastal plain in the appalachian mountains. a. piedmont. b. tidewater. c. delaware valley. d. outer banks.