The U.S politicians and businessmen worried about the foreign nations controlled economic development so they supported open door policy
Because american investors who were pulling loaning to germany began pulling money out of germany and to invest in the stock market
Allowing free elections in eastern europe.
Explanation:
The legal of opinions and laws of the Roman Empire where compiled (termed as Justinian code) and used by the leaders that made it clear that all the Power of the area would be centralized and would come under the centralized legal system. This opinion is being used politically at many places throughout the world. Justinian code has made a major legal impact in many civil laws that are being followed by countries today.
Can you be a bit more specific? I might be able to help you if you be a little more specific.