Who would have most strongly supported this Act of Parliament?

The Act of Parliament in question likely refers to a piece of legislation aimed at reducing the power of the monarchy or addressing grievances that critics had regarding royal authority. As such, those who most strongly supported it would be critics of the monarch, who sought to limit monarchal influence and promote a more parliamentary or representative system of governance. This group often included politicians, intellectuals, and activists who advocated for political reforms and individual rights, viewing such acts as necessary steps towards a more democratic society.

The other groups mentioned would have had varying motivations that might not align as closely with the intent behind the Act. Roman Catholics, for example, historically faced discrimination and would have likely opposed any Act that would not support their rights or further marginalize them. People who owed taxes might have been focused solely on financial relief rather than the overarching political issues. Finally, members of the clergy of all denominations might have supported or opposed the Act depending on its content and their specific vested interests, which may not align uniformly with the goal of limiting monarchical power.