The correct answer is where the royal power was weak or non-existent
Whenever there was a king that couldn't keep everyone in line, the local lords would band up on him or would become more and more independent and it would be difficult to control them since they would often work even with foreign powers against their own lords. This led to the downfall of numerous dynasties or emperors in Europe.
Answer C) People in developed countries traveled more and exposed more people. Although this is not certain traveling might help in the spreed of the virus since it has human to human transmission.
Catherine the Great rose to power through a coup following the Seven Year War. Her husband, Peter III was assassinated and so she then took over the throne. Although Catherine the Great was from Prussia (modern-day Germany), she ruled over Russia and under her reign Russia grew stronger and larger than ever before. It became revitalized and was soon recognized as one of Europe's great superpowers. It is considered Russia's golden age.
