1. I see conundrums, dilemmas , quandaries , impasses, gnarly thickets of fateful possibility with no obvious way out.

2. Synonyms for Aporias include contradiction, impasses, paradoxes, incongruousness, challenges, oxymorons, ambiguity, discrepancies, contraventions and contradictions

3. Such laws usually include more detailed procedures for resolving negotiating impasses that may arise during the bargaining process.