was the land in the Ohio River Valley and Canada.

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.

What is the name of the first president

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?