Answer:
Occasionally, people who specialize in a field develop new techniques or new technologies that lead to huge increases in productivity. Increased specialization ultimately leads to higher standards of living for all those involved in economic exchanges.
Theocracy and monarchy are directly similar in that they are both a form of government that is run by one person rather than a council of people and they both see to the needs of the people to a certain extent.
The process of giving credit for ideas which are not the writer's own ideas is called documentation.