Used by North to limit South's trade??

Question

Durring the civil war what did the north use inorder to limit the south's trade.

Hint: its 8 letters long _ L _ _ _ _ _ E

Answer 1

Blockade of their Seaports and the Mouth of the Mississippi River and Smaller rivers!!!!

Answer 2

One of the ironies of the Union naval blockade was that the North cut itself off from the supply of raw cotton.

The north had to make great efforts to obtain cotton through the blockade. This was a fairly easy task once Union forces occupied New Orleans and secured Memphis on the Mississippi.

The kicker is, Lincoln recognized this and when asked what his policy was with regard to trading cotton for supplies with the rebels he replied "My policy is to have no policy!"

Answer 3

blockade

Answer 4

blockade