Unclear question. However, I inferred you are referring to the ongoing pandemic.
Explanation:
Remember, federalism system of governance allows the sharing of powers between different levels of government (state, local or county and the federal government).
However, certain decisions are left for the higher arm of government, which was seen in Texas when local officials (county commissioners) modified the Commissioner's Court Executive Orders on restrictions with the aim of making it in line with the higher level (State government) orders.
Answer: Franklin D. Roosevelt
Explanation:
Franklin Delano Roosevelt was the serving president during the conflict of World War 2. He planned D-Day, along with other leaders like Winston Churchill. On June 6, 1945, the Allies attacked the German-controlled French area of Normandy, which marked D-Day.
I believe it would be milestones
The Black Death killed 38 million people, it was a terrible illness which spread rapidly.
The Great Schism was in 1054 and the Christian church broke up into two sections, which essentially divided the Church with two popes.
I would say that trade would be "believed to travel to Europe because of this", because it would not really fit anywhere else.
Now, I'm not two sure on the last one but the Hundred Years War was where King Edward the III of England thought that he should be the king of France, so there was a very long battle between the two. I would say the Hundred Years War would be started by division of the heir to the throne of England, and France and Italy did not agree who was to be pope. Since the Hundred Years War had really nothing to do with Italy.