One of the main ways in which feudalism helped Germany is that it provided shelter and protection for many people who wouldn't have otherwise been able to afford it, due to the fact that they were able to receive this protection by working for "lords" on their estates.
It is a primary source because the letters are an immediate, first-hand account of the topic (war).
Japan<span>: Japan's Yamato dynasty traces its origins back to 660, making it the oldest continuous hereditary monarchy in the world. The 79-year-old Emperor Akihito has reigned since 1989 and is, according to legend, the 125th emperor in his line, though there's some debate as to the exact count of emperors</span>
Yes because back then, India was a colony of England and basically owned by a company called the East India company with military enforcement. The people had no representation and also were forced to pay taxes such as the salt tax that ghandi famously went against during the salt March.
Likewise, the united states back then was also a colony of India and had no representation as well as had to pay taxes from laws such as the stamp act. Their values in fighting for independence and free reign were very similar. So yes.