How did president grant's administration respond to increased southern violence against free men and women?

The correct answer for this question is this one: "The administration passed two laws making it a felony to interfere with the right to vote and allowing the government to suspend the writ of habeas corpus to end Klan violence."

These are the following choices:
A. The president sent troops to retain order in the South and arrest perpetrators.
B. They did nothing; the administration was busy grappling with the problems of the Whiskey Ring.
C. Grant sent a stern warning including threats of censuring southern Congressmen until the violence ceased.
D. The administration passed two laws making it a felony to interfere with the right to vote and allowing the government to suspend the writ of habeas corpus to end Klan violence.
E. Grant pushed for a measure to make the Ku Klux Klan illegal in the South.