"the terrorist <span>attacks on the United States" would be the best option from the list since communism was already on the fall and the US had just suffered a terrorist attack in New York City. </span>
Mass production, stronger steel
The right answer for the question that is being asked and shown above is that: "creation of constitutional systems of government. This system embody the principle of separation of powers. Montesquieu <span>believed that the political system should protect civil liberties."</span>