The overall purpose of John F. Kennedy’s inaugural speech was "<span>to inform the nation and the world that the US is ready for war if necessary" since he wanted to inspire confidence. </span>
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.