Why did the western empire fall? (3 sentences at least)

One of the observations by someone who was present for roosevelt's speech was, "its clarity, logic, and sincerity struck us." quote one example from the text that you would describe as clear, logical, or sincere. explain the language in your chosen quote correctly, and tell why it can be considered clear, logical, or sincere.

What kind of relationship did the soviet union have with the united states in 1945

How did people in the 14th century understand black death