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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answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

50% because no one is smart enough to relize that money makes the world go round and 99% of the earth hates donald trump the other 1% is the republicans go figure right