Which of the following were reasons for u. s. expansion? to obtain raw materials for industry to secure new markets to govern foreign nations to create colonies in africa

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 do you know ? what does verne have his characters say and/or that reveal that attitude ?

3. according to oliver, how can the fast food industry with the food revolution? i will give brainliest