2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/182092Chiral symmetry allows two and three nucleon forces to be treated in a single theoretical framework. We discuss two new features of this research programme at $\cO(q^4)$ and the consistency of the overall chiral picture.Talk at the 18th International IUPAP Conference on Few-Body Problems in Physics, Santos, BrazilNuclear Theorytext