Answer:
The Religious Settlement was an attempt by Elizabeth I to unite the country after the changes in religion under Henry VIII, Edward VI and Mary I. It was designed to settle the divide between Catholics and Protestants and address the differences in services and beliefs. The settlement itself was written out in two Acts of Parliament, the Act of Supremacy and the Act of Uniformity 1559.
Under her reign, Mary I had reintroduced Catholicism in England. She did this by overturning the Supremacy Acts that Henry VIII had created.
When Elizabeth came to the throne in 1558 she worked with the Privy Council to create a religious settlement that would unite the country into one Church. This meant starting with the Supremacy Acts created under Henry VIII and slightly altering them. This resulted in two acts: