Rheumatic fever, a delayed autoimmune complication of untreated/inadequately treated group A streptococcal pharyngitis, is most classically associated with problems in which body systems?

Rheumatic fever classically causes carditis (which can lead to long-term valvular heart damage, especially mitral valve disease) and migratory polyarthritis (joint inflammation that moves from one joint to another), among other findings included in the Jones criteria (such as Sydenham's chorea, subcutaneous nodules, and erythema marginatum).