Why were confederate forces in Louisiana unable to defend New Orleans from union forces

From the outset of the war, plans for the defense of New Orleans were hampered by the fact that the Confederate leadership in Richmond believed that the greatest threats to the city would come from the north. As such, military equipment and manpower were shifted up the Mississippi to defensive points such as Island Number 10.

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early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.

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