code: function isUSAState (state, strict) {
      state = state && NODE_RATIFY.isString(state) ? _toTitleCase(state) : null;
      var topLevel = (US_STATE_CODE_TO_NAME[state] || US_STATE_NAME_TO_CODE[state]);
  
      if(strict) {
          return topLevel ? true : false;
      } else {
          return (US_INHABITED_TERRITORIES_CODE_TO_NAME[state] || US_INHABITED_TERRITORIES_NAME_TO_CODE[state] || topLevel) ? true : false;
      }
  }
docs: Is given state code or state name is a valid state