In what way did the Confederate leaders hope to use the new submarine, the Hunley?

The Confederacy made more use of submarines than the Union. The goal of the Confederate subs was to sink Union ships and help break the blockade the Union had around the South.

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Explanation:

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

i think the answer is b.