What other reason did sailors think it was important to explore their sacred
duty)?
Help!!

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.

About how many european immigrants were processed at the facilities on ellis island

2. what was the dred scott decision about? what do we learn from this supreme court case?