<span>The correct answer is B. People's acceptance of it for exchange. It used to be based on gold but it changed to being what is called a fiat currency. That means that there's no physical commodity that backs its value, but rather its value is backed by supply and demand, by banks and the economy, by people and by the stock market. Many other countries still use gold however to measure the value.</span>
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America is able to <u>increase its language capacity</u>. Diversity of cultures also fosters <u>diversity of thinking and overall tolerance</u>, especially because immigrants mesh their cultural practices with American customs. Immigration allows the rest of the world to view us positively.
The flexible response was created and implemented during former President John F. Kennedy's administration at the year 1961 as a measure to counteract the New Look policy of former President Dwight Eisenhower in his policy of conducting a massive military action in case of war.