The capture of Vicksburg would yield the North control of the entire course of the river and thus enable it to isolate those Confederate states that lay west of the river from those in the east.
It liberated the Mississippi and ended the war in the West.
You probably mean the battle of Vicksburg, in the American Civil War. According to http://www.answers.com/topic/battle-of-vicksburg, the capture of Vicksburg marked the turning point of the war.
It gave the Union army control of the Mississippi River
As a result of the capture of Vicksburg, the Union gained complete control of the Mississippi Valley and were able to use it as a line of logistical communications, setting the stage for a number of future victories.
Vicksburg.
Gettysburg
Better said was the "battles to capture Vicksburg". At least three Union attempts failed to actually capture the city fortress of Vicksburg. Only via a siege was the city captured. And, yes this at last gave the Union full control of the Mississippi River. This was now the western base from which to launch assaults on either side of the river.
The Battle of Vicksburg is also called the Siege of Vicksburg
The northern objective was to capture Vicksburg, to gain control of the Mississippi. The southern goal was to keep control of the Mississippi by keeping Vicksburg in southern hands.
During the American Civil War, Union forces sought in 1862 and 1863 to capture the Confederate stronghold of Vicksburg, Mississippi. Located on high bluffs astride the Mississippi River, Vicksburg was a highly defensible fortress, and its capture proved difficult for the Union troops. Finally in 1863, Vicksburg surrendered after a siege starved them out.
Vicksburg
Yes