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Parallelism

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by sreenunna » Wed Nov 14, 2012 3:00 am
George Washington Carver dedicated his life to the economic strengthening of the South with improvement of soil and diversification of crops.

A) the economic strengthening of the South with improvement of soil and diversification of crops

B) strengthening the economy in the South with soil improvement and the diversification of crops

C) strengthening the economy of the South through soil improvement and crop diversification

D) the strengthening of the economy of the South through improving soil and crop diversifying

E) the economic strengthening in the South with improving soil and diversifying crops


The source is from Official GMAT, OA is revealed later
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by Kasia@EconomistGMAT » Wed Nov 14, 2012 3:56 am
A, B and E - incorrect, the use of "with" in this sentence does not show that it was HOW he wanted to strengthen the South
C - correct, the use of "through" corrects the original error
D - incorrect, "improving soil" and "crop diversifying" are not parallel
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by pritish2301 » Thu Nov 22, 2012 11:39 am
sreenunna wrote:George Washington Carver dedicated his life to the economic strengthening of the South with improvement of soil and diversification of crops.

A) the economic strengthening of the South with improvement of soil and diversification of crops

B) strengthening the economy in the South with soil improvement and the diversification of crops

C) strengthening the economy of the South through soil improvement and crop diversification

D) the strengthening of the economy of the South through improving soil and crop diversifying

E) the economic strengthening in the South with improving soil and diversifying crops


The source is from Official GMAT, OA is revealed later
This question is based on parallelism
two phrases improvement of soil and diversification of crops must be parallel.
Eliminate B

Next look for the 'economic strengthening' => Wrong usage
Eliminate A and E

Finally..
improve THE Strengthening of THE economy unnecessary.

Hence the best answer is C
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