GMAT Sentence Correction (SC) | In the Louisiana Purchase of 1803. the United States

Straight C
- "United States acquired...": Direct and preferred
- "..doubling....bringing...." absolute phrase maintaining parallelism - elegant solution.

Issue with A
- "..an acre, which...": modifier touch rule issue, an acre did not double and bring anything. [note: 'an acre' is not an essential modifier]

Issue with E
- what is "it" referring to?

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