Answer:
I would say that his main achievement was his ability to unite the whole Greece under his reign and authority after battle of Chaeronea.
Explanation:
While he was a child, Philip was sent into Thebes as a part of treaty, which led him to be more and more acquainted with their culture, military tactics, governing system.
Therefore, when he started ruling in Macedonia he tried to use all of these features to strengthen his authority and later to spread it across whole Greece.
The correct answer is letter C.
The law of demand says that, as a rule, price and quantity required in a given market are inversely related.
In other words, the higher the price of a product, the less people are willing or can include (everything else unchanged).
When the price of a welfare, overall purchasing power decreases (income effect) and waste changes to cheaper goods (substitution effect).
Other factors may also affect demand.
His natural genius crossed so many disciplines that he was made known as Renaissance man.