Answer Yes. During the first year, the Union sent gunboats and troop ships down the Mississippi River to attack Fort Donnelson. Then they moved over to the Tennessee River in order to move into northern Mississippi(state). Later, Union ships moved into the mouth of the Mississippi River and attacked the Confederate shipyards located in the Yazoo River. They moved troops to Vicksburg in order to lay a seige on this important city that threatened the ships traveling the river.
After the Union defeated and seized Vicksburg, they got full control of the Mississippi River, letting them transport troops from boat down the Mississippi River.
vicksburg
Vicksburg
The Union troops crossed the Mississippi River and drove the Confederate troops out of Vicksburg
The Union troops crossed the Mississippi River and drove the Confederate troops out of Vicksburg
Grant moved his troops down the Mississippi River to Pittsburg Landing.
On July 4, 1863, Union troops crossed the Mississippi River and drove the Confederate troops out of Vicksburg.
Grant moved his troops down the Mississippi River to Pittsburgh Landing.
it let the union block off Texas from sending troops
It prevented Texas supplies from reaching Confederate troops.
The Union could have successfully blockaded all the ports the Confederacy needed to ship supplies and troops in and out.
They surrounded the river-port of Vicksburg, the last big Confederate stronghold on the Mississippi.