The following events have occurred at times in the history of the United States: 1. A deep recession hits the world economy 2. The world oil price rises sharply 3. U. S. businesses expect future profits to fall

1. A deep recession hits the world economy 2. The world oil price rises sharply

Explanation:

Recession, which is the widespread economic decline in a country leading to slow growth in industrial production, agriculture and other sectors in a particular country. This is usually triggered by a financial crises and can last a low as 6 months and as high as 3 years at a particular period. Over the years, the U.S has experienced more than 47 recession periods in the course of its existence.

Also, the world oil prices has risen sharply over some given period of time in the history of the United States. The most recent event being the dramatic rise of oil price in 2011 as a result of the tightness of the global oil markets and the Arab spring that happened in some countries.

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