The open door policy impacts lasted for decades and they have three major impacts; increase Chinese backlash against foreigners. Chinese and American conflict with Japan. Increased US interest in East Asia
Robber Barons Definition: These men earned the title of 'Robber Barons' due to their greed and ruthlessness, their unethical business practices, unscrupulous tactics and their total lack of concern for their workers, their customers or their competitors. ... The power of the Robber Barons grew.
B the US has an extremely extensive railroad system not Europe
I think the answer might be c????
based on my research, it must be c. plush conditions