Answer:
A frenzy over a threat by communists in the cold war
Explanation:
<span>He built his first oil refinery near Cleveland and after that it was kinda just like him investing until he became a business monopoly. </span>
The index of leading indicators is used to predict changes in business cycles. The correct option among all the options that are given in the question is the first option or option "a". It is basically used to predict the future of the upcoming economy. It can also be said that it does not always yield the perfect result.
Exports are goods and services that are produced in one country and sold to buyers in another. Exports, along with imports, make up international trade.