Which of the following sentences from the passage best explains why the business deal is referred to as the louisiana purchase?

a.  “this huge international business deal was called the louisiana purchase.”

b.  “from 1776 to 1803 the united states was about a quarter of the size it is today.”

c.  “at 830,000 square miles, this purchase instantly doubled the land area of the united states! ”

d.  “initially, jefferson offered to buy only the port city of new orleans, louisiana.”

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