Because there wasn't enough water or rain to grow certain type of crops that require a certain amount of water that they did not have.
The correct answer for this question is this one: "b. increased prices." <span>The small increase in global oil production coupled with an increased demand for those resources leads to increase in prices.
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Here are the following choices.
<span>a. lack of modern energy sources
b. increased prices
c. decreased competition
d. decreased prices</span>
