Which provided the legal basis for racial segregation in late 19 ht century united states?

The germans were expecting the invasion to land at pas-de-calais,northeast of the actual normandy invasion site. what do you think might have been the advantages of a landing at pas-de-calais? ‍♀️

Which was not a reason for the fall of the han dynasty? neglected farmland civil war decline in trade peasant rebellions foreign invasions

(05.04 mc) how did the roman transportation system keep the empire strong? plz