 The chain soon broke under its own weight, but Union forces did not learn of this fact until early 1862.In response to the Confederate invasion, Union Brigadier General Ulysses S. Grant left Cairo, Illinois and entered Paducah, Kentucky on September 6, which gave the Union control of the northern end of the New Orleans and Ohio Railroad and the mouth of the Tennessee River.Governor Magoffin denounced both sides for violating the Commonwealth's neutrality, calling for both sides to withdraw.