Because of the Shogun period, the emperors became weaker because shoguns held power, while their regents gained more power as they worked with shoguns. The nobles got more land like in most feudal societies which resulted in more power while the peasants started paying more taxes because of the implemented system.
A I think I tried but hope this helps
If our allies have a national threat. If we decide to help other countries, such as the Korean war. If we were attacked first.
The common answer for this is that it is a joke. He was singing that because he was singing a few bars. This is a wordplay on the word bar of soap, and also on the fact that bars in music are <span>a segment of time corresponding to a specific number of </span><span>beats, so it's a pun actually.</span>
