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.
This really depends on the year. Some African women would wear beads, to show their status. The royal women didn't really dress too differently from their citizens, although there may have been a significant difference between patterns on the fabric. I'd guess they had something ornamental upon their heads. I do recall learning that women who (Research this, because I'm not too sure) showed great warrior-ism wore golden neck rings, which they wore at all times. If they took them off, their head would be unsupported and they'd be paralyzed or die. Also, what is your book's genre? My book that I've written is fantasy.
Federalism is one of the central principles of American Constitutionalism because helps in the dividing and sharing of power between state and national governments, thus, making organization of the government manageable and standardized.
The other major principles of American Constitutionalism are:
Popular Sovereignty; Checks and Balances; Limited Power of the Government; Separation of Branches.
Common laws are refered to as Amendments
Hunter-Gatherers were nomadic tribes who relied on moving to different locations in search of fertile hunting/gathering grounds. Sometimes, these lands they explored were barren, while some were plentiful, but the key was to keep moving, so they could not stay in the fertile land for long.
Eventually, humans started to farm, and domesticate animals, which led into the Neolithic Era (civilization). Farming gave humans the assurance of constant food, and furthermore, set more social roles and behavioral standards for communities. However, this transition caused the loss of equality for different people in a community, and raised the style of living we know, with the establishment of classes and governments.