What is the main idea of the “200 Years of Progress in the Louisiana Sugar Industry: A Brief History”?

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the anwser is went creeping down the river again, across the wide lonely marshes to the sea.

i longed to go with them out into the world to seek my fortune in foreign lands—africa, india, china and peru!

and, dreaming of the lands i had never seen, i'd sit on there, watching till they were out of sight.

1# the answer is c

2#the answer is a