Letter A should be the answer. Clinton expresses his opinions about immigrants really positively so he believes they have a positive effect on the nation.
The feature is the rule of law. Unlike people, legislature cannot be affected by passion and if law rules then everyone is equal in the eyes of law. If a man rules and has absolute power, they can be affected by various things that might make them abuse their power, and law cannot abuse power on its own.
The ultimate reason as to why a state will perish will be legislative power that is more corrupt than the executive power, according to Montesquieu
The hoover dam was the only successful public works project