Answer:
<em>Exchange rates tells us the amount of one's currency that you can exchange for another.</em>
<em>Take it as an example,</em>
<em> the dollar's exchange rate tells you how much a dollar is worth in a foreign currency. You would get a little less than the exchange rate as the banks charge their service fee. Conversely, a pound was worth $1.31.</em>
<em>hope this has helped you !</em>
The United States economic foreign policy made them successful and prosperous because they had agood combination of isolationist practices which enabled them to not spend money on useless wars or conflicts while at the same time engaging in trade with various nations.
Explanation:
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<span>B. Announcement of the Marshall Plan I think</span>
