Answer:
China.
Explanation:
The United States and its policies of doing trade with the Asian nations is one where the interests of the US are at the foremost. In an attempt to further its trading system and prospects, the United States demanded that all countries are given equal trading rights with China.
This foreign trading policy was declared by the US so that its trade is further propelled into the world economy. This policy was proposed by the then US Secretary of State, John Hay in 1899, under the label "Open Door Policy".
WW2 and the Cold War had the greatest impact on America as a whole rather the impact that it had on Michigan is probably a lot less aggressive.
Answer:
An important center of trade
