What are two of the building blocks that make up social structure

According to the principles of the enlightenment, which of the following government actions would be inappropriate? (select all that apply.)

50 points in at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution.

What greek scientist created a screw to move water for irrigation?