A King should do what ever is possible to unite his state
Machiavelli was all about doing whatever it took even if it was considered immoral.
Early humans moved from one location to another in order to hunt migrating herds.
Thinking he guided the litigation that destroyed the legal under prinnings of JIM crow SEGREGATION
Around the third century bc which was 2320 years ago I believe
Because, the Persians felt that their army could outnumber Greece, also because they might not have known what they were getting into when they attacked the Greek city-states. Hope that helped :D