There was a nuclear foreign policy based on deterrence called M.A.D. or Mutually Assured Destruction. If both side were assured that the outcome would be deadly to the countries in and around the zone of bombing, then they wouldn't do it, which provide to be very affective. So far, no threat of using the Atomic or Hydrogen bomb has been made in between the USSR and America.
I hope this helps! Sorry if it doesn't!
Grant presidency was rocked by series of corruption scandals
An examination of Grant presidency reveals many scandals and fraudulent activities associated with persons within his administration, including his cabinet, that was in continual transition, divided by the forces of political corruption and reform. Grant problems emanates from factors such as the spoil system.