Why were logjams called the "river man's ruin? "

Logjams were called “river man’s ruin” given that there was always an inherent danger in them. As these men were working on the rivers trying to dismantle the log jams, these structures could fall apart, suddenly killing or hurting them. Any sudden change in water conditions (abrupt rains, snow melting after winter, any animal crossing by) could change these “sometimes stable” structures into real life hazards.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

trade in silk, spices, and precious metals.

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