What happened when Polk tried to purchase California and New Mexico and get the approval of the Rio Grande as the Texas border?

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.

Interest groups are protected by the first amendment guarantees of petition. and what other freedom?

What does it mean in the declaration of independence for cutting off our trade with all parts of the world