I think it’s D, Modern Christians understand the difference between appreciating icons and idolatry
The answer you're probably looking for is:
The Stamp Act of 1765 was significant in the sense that it was the first direct tax imposed on American colonists (So, 
would most likely be the answer that you're looking for to this question, that you have asked
C. Southerners believed that neither territory should become a state,
Answer:
Because it cannot control the mischief of factions
Explanation:
James Madison was against the tenets of democracy. He rather advocated for a republican government. He described democracy as a system where a small number of citizens assemble and administer the government in person. He believed that democracy cannot control the mischiefs of factions because of the localized way in which the government was run. He believed that the government was too close to the people and that democracy struggled for equality which he believed was for the selfish interests of the ruling democrats.
He said that a faction consisted of individuals who were united in some goals that were adverse to the rights of citizens. Too much liberty would fan the flames of faction, and that was what democracy did according to him.
The Kingdom of Prussia (aka "Germany") and the Austrian Empire joined together to seize the territory of Schleswig-Holstein from Denmark due to the regions majority German population.
