Conversation so far:
why did the union exert pressure into tennessee
By exerting pressure on Tennessee, the Union might be able to strike at the heart of the Confederacy, as well as control two major rivers, the Tennessee and Cumberland.
what was the union strategy in the east
The Union strategy in the East revolved around capturing the city of Richmond. Not only would this disrupt the Confederate government, it would be a major psychological victory.
what is the anaconda plan by the union
The Anaconda Plan is the name applied to a Union Army outline strategy for suppressing the Confederacy at the beginning of the American Civil War.

Question: why the name
Self-contained rewrite: why was the strategy named the anaconda plan by the union