Why Did President Hayes Order Troops to Withdraw from Southern

Why did President Hayes order troops to withdraw from Southern states?

A) Hayes did not believe military action could ever be successful.
B) He feared that the continued presence of federal troops would spur the South to try to secede again.
C) Hayes was from the South and had sympathized with the Confederate cause.
D) It was a promise he made to southern Democrats to gain their acceptance after the disputed election of 1876.
E) Southern congressmen pressured him to withdraw the troops with threats of raising their own armies.