They arrived in 1500BC and developed the grouping of people based on their status and activities in life.
The answer is 'B'.
Perestroika was a Soviet policy to make the economy more open to foreign competition and individual citizens.
Mikhail Gorbachev attempted to reconstruct the economic system of the Communist Party.
Example: Ending price controls
Glasnost refers to the government becoming more open.
<span>Troubles between Monarchy and the nobility over the tax system led to paralysis and bankruptcy</span>
