Final answer:
The Thirty Years' War was a religious conflict that pitted Catholic leaders against Protestant leaders.
Step-by-step explanation:
The statement is True.
The Thirty Years' War was a religious conflict that pitted an alliance of Catholic leaders against an alliance of Protestant leaders.
During this war, various European countries, such as Sweden, the United Provinces of the Netherlands, and Denmark, joined in supporting the Protestant German rulers and fighting against the Catholic forces.
France also joined the war on the side of the Protestants, with the goal of becoming the dominant power in Europe.