<span>runs east of the Red River of the North, cuts through Lake Winnipeg theres also one more reason i just dont remember it if you really want to know the last reason il get out my geo book n search it up k just message or most comany known as comment on this answer and il gladly find out the other reason</span>
<span>Grant's capture of Vicksburg gave the Union full control of the river and effectively severed the trans-Mississippi region from the rest of the Confederacy. The success of his brilliant campaign caused Lincoln to place Grant in charge of all Union armies west of the Appalachians. In a short time, his forces captured the rail center of Chattanooga and cleared the way for an invasion of Georgia. Lincoln then gave Grant supreme command of all Union armies.</span>