The Kyoto Treaty does not undermine the United States sovereignty because it does not have anything to do with such. It was a treaty that asks committing State parties to reduce greenhouse gas emissions because global warming does exist and it is caused by CO2 productions done by human activities.
The correct answer is: D. They believed that representatives were better able to vote on national issues than ordinary citizens were.
Explanation
The excerpt contrasts ancient democracies, that were characterized by tyranny and run by mobs, to the idea of a large government representation so as to demostrate that whenevever a group of people is assembled, no matter who is in it, they tend to make the wrong decisions, that is, decisions led by passion instead of reason as stated in the excerpt:
"<em>passion never fails to wrest the sceptre from reason".</em>
Moreover, Federalists wanted a strong national government, instead of granting the power to the states, and believed that only one person could represent 30.000 people.
Through an efficient system of communication and a rapid transit of military and government personnel. the well-maintained roads helped the transit however later they established staging post equipped with fresh horses to carry out the kings messages through out their land.
hope it helps :)