Please explain these significances

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

True or false? correlations can only be negative.

Under the model penal code, consciously disregarding a substantial and unjustifiable risk indicates a person acted knowinglyb recklesslyc purposefullyd negligently