All of the above were key issues in the Protestant Reformation.

Martin Luther was the founder of the Lutheran Church.

The Augsburg Confession was the document that outlined the main beliefs of the Lutheran Church.

John Calvin was the founder of the Reformed Church.

The Institutes of the Christian Religion was the document that outlined the main beliefs of the Reformed Church.

Menno Simons was the founder of the Anabaptist movement.

The Anabaptists' main beliefs were adult baptism, separation of church and state, and pacifism.

The English Reformation was the name of the English Reformation.

The King was the head of the Church of England.

The Act of Supremacy was the document that established the Church of England.

The Thirty-Nine Articles was the document that outlined the main beliefs of the Church of England.

The Book of Common Prayer was the document that established the liturgy of the Church of England.

The Council of Trent was the name of the Catholic Council that responded to the Protestant Reformation.

The main decisions of the Council of Trent were the reaffirmation of the authority of the Pope, the condemnation of Protestantism, and the establishment of new rules for the Catholic Church.

The Reformation had a profound impact on European history. It led to the division of Europe into Catholic and Protestant countries, the rise of nationalism, and the development of new forms of government.