Answer: The pax Mongolica was made possible by Mongol policies that promoted stability. The Mongols built sturdy roads and made sure that they were safe to travel on. They also established a uniform code of law to ensure the entire empire shared a legal system.
The main events that marked the end of the Cold War were the fall of the Berlin Wall in 1989 and the breakup of the Soviet Union in 1991. The Berlin Wall had been the main symbol of the Cold War.
WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.
In the headlines above, the best choice suitable in the statement is choice number four, which is the federal supremacy. The headlines speaks as a federal supremacy because it has the authority of making federal laws being considered by the people.
