How did life on earth influence the development of earths atmosphere?

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.

The early democratic-republican party believed that the united states

Which statement best describes a contribution of the works of nicolas copernicus and galileo galilei?