Roman confederation gave the people more rights and allowed them to have their culture.
Explanation:
Roman confederation and the eventual empire that became from it had one very different purpose fro the others in that it did not differentiate with the new citizens of the country who had come in by conquest.
Instead all they had to do was pay taxes and recognize themselves as roman citizen.
They could keep speaking their language and worshiping their religion as well as have abilities to control and garner wealth in certain alliances too making it good to be a roman citizen for them.
Without the ability to read ancient Chinese and Maya text, we would be limited to archeological findings and guesses made based on them. The fact, that we can read ancient texts, let us know for example:
the names and times of rule of many rulers,
the religious practices
some events from the past
some cultural and technological inventions such as their knowledge of astronomy
the social composition of the society
Our knowledge of urban live comes from the description of customs and occational information about who lived where and how much was paid for what services
The Eastern Front or Eastern Theater of World War I (German: Ostfront, Russian: Восточный фронт, Vostochny front) was a theater of operations that encompassed at its greatest extent the entire frontier between the Russian Empire and Romania on one side and the Austro-Hungarian Empire, Bulgaria, the Ottoman Empire and the German Empire on the other. It stretched from the Baltic Sea in the north to the Black Sea in the south, involved most of Eastern Europe and stretched deep into Central Europe as well. The term contrasts with "Western Front", which was being fought in Belgium and France.
the elevation of crafts and specialized trades
advances in agriculture
a greater diversity of people