If the North controlled the Mississippi River they could cut the Confederacy into two by cutting out Texas, LA, and AR. it also helped the North in the Anaconda plan because they can block the Mississippi river off and take control of the Confederate forts along the Mississippi.
To gain control of the Mississippi River and defeat the Confederacy
The Siege and Capture of Vicksburg gave the Union control of the Mississippi River, splitting the Confederacy in two.
The battle of Vicksburg.
Anaconda plan
the confederacy was split in two after it lost strongholds along the mississippi river.
the anaconda plan
The splitting of the Confederacy into two parts.
Anaconda Plan
They took control of the Mississippi River
The Mississippi river and something else
Vicksburg
The Cumberland. The Tennessee. The Mississippi.