What are the three branches of Christianity and how do they differ in their beliefs and practices?

The three main branches of Christianity are Catholicism, Protestantism, and Eastern Orthodoxy. They differ in their beliefs and practices mainly in terms of their views on authority, the role of tradition, and the interpretation of scripture. Catholicism emphasizes the authority of the Pope and tradition, while Protestantism focuses on individual interpretation of scripture and salvation through faith alone. Eastern Orthodoxy places importance on tradition and the authority of the church councils.