After the fall of the roman empire, which group ruled the eastern half of the former roman empire?

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

How did access to and rivers the progress of industriation in britain

How important was the erie canal in in connect, unify and expand the nation