A military strategy of the North during the Civil War was a naval blockade of all Southern ports true or false?

True. One of the key military strategies of the North during the Civil War was the Anaconda Plan, which included a naval blockade of Southern ports. This blockade aimed to restrict the Confederacy's trade and supply lines, weakening their economy and ability to sustain the war effort. The blockade played a significant role in the Union's eventual victory.