Answer:
the best year
Explanation:
Year 1970 saw the best increment in the balanced CPI.
Answer:
separate themselves from those who were unlike them
Explanation:
As nationalism emerged in kingdoms and other regions of the world, where previously the notion of being a group with a common past, culture and history, and the shared language similarities did not exist before.
A conscience of sharing this heritage make them different to other groups that promoted other set of values.
Nationalism was driven often by romantic feelings, or revolutionary ideals, like the wave that schocked European continent with Napoleon Bonaparte.
The desire of people to have a shared identity often led to social movements that wanted to form their own nation-state, also leading to wars of Independence: (For example Serbia, and Bosnia in the Austro-Hungarian Empire). Poland sought always independence from the Russian and German oppresors (embracing the so called Romantic -Nationalism).
Oligarchy, government by the few, especially despotic power exercised by a small and privileged group for corrupt or selfish purposes. Aristotle used the term oligarchia to designate the rule of the few when it was exercised not by the best but by bad men unjustly.
Answer:
A very long time ago, I'd say 1400's-1500's or even longer before that.