"<u>The causes for the drop in inflation rates and the number of new jobs generated are data that President Carter useful in supporting his case</u>".
Carter took office amid a period of "stagflation", whenever the market was characterized by high inflation and <em>poor economic growth</em>.
Its economic strategies were aimed at <em>controlling inflation levels</em> deficits & <em>government expenditure</em>.
Due to an ongoing focus on efficiency during the 1970s this <em>government enacted a national climate policy</em> design to increase grid storage and the search for alternative sources.
Therefore, the final answer is "first and last choice".
The main idea is a complete sentence; it includes the topic and what the author wants to say about it. If the author states the main idea in his paragraph it is called a “topic sentence.”
