The answer is: <span>Retirement (around age 63)
Crystallized intelligence is the type of intelligence that derived from personal experience, which would get stronger as we got older.
Fluid intelligence refers to the type of intelligence that derived from cognitive ability, and this would peak when we're around 28 years old.</span>
New business practices, new technology, and the expansion of railroads
C. Tolitarian Dictatorship<span> is not one of Aristotle's classifications of governments</span>
Behavior is determined by multiple factors. My best guess.
There is a multitude of ways in which our leaders reach us personally.
For example,
Teachers are leaders that are more specialized in helping students, and there are some, such as counselors that are even more personally.
A more general way that we are reached is through laws. We choose our laws, and they in return enforce it. Such as building roads, or helping develop towns.