I believe that A and B are correct, and if you need 3 than A, B, and D are correct.
Two things societies with iron technology developed socially are "divisions of labor" and "<span>hierarchical social classes," since these societies were generally more advanced than their counterparts. </span>
The correct answer is A)Taxes were based on fixed rates and were no longer a surprise.
Explanation:
The emperor Napoleon saw that France had a weak financial infrastructure and wanted to make changes to reform the French economy. He created the indispensable Bank of France and made fixed taxes rates. He also generated a system of tariffs and loans to make the local industry stronger.
B. In a unitary system there is only one type of government; in a confederal system there are multiple types of governments.