It is true the Constitution had laid down the precise limits of the Federal supremacy, but whenever this supremacy is contested by one of the States, a Federal tribunal decides the question.
Egia esateko, Konstituzioak ezarriak zizkion muga zehatzak subiranotasun federalari, baina subiranotasun hau estatuenarekin lehian dagoen bakoitzean, auzitegi federal batek erabaki behar du.