Which of the following theories deal with all of the stages of relationships? This means they cover when people are first meeting & getting to know each other, but also how they maintain & dissolve relationships. Group of answer choices Uncertainty Reduction Theory (URT) Knapp's Relational Stages Relational Dialectics Theory (RDT) Coordinated Management of Meaning (CMM) Expectancy Violations Theory (EVT) Social Penetration Theory (SPT) Communication Privacy Management (CPM) Uncertainty Reduction Theory (URT)