Very abbreviated answer: The Black Death was another name for the plague, this claws caused by rats and lead to death of a large sum of the population.
Hitler approved the contract so he could overrun Poland without Russia fighting after.
In short, it allowed him to invade Poland without Soviet interference.
Good luck :)
Answer:
At the most extreme, no attack on Pearl Harbor could have meant no US entering the war, no ships of soldiers pouring over the Atlantic, and no D-Day, all putting 'victory in Europe' in doubt
Explanation:
Depends on the time period, but a theme was that money changers stimulated trade and help in the development of growing economies as the trade between different regions occur or happen during that time period.
3 4 5 6 are all correct because you said so
