Because of the enforcement of laws on the republic
The second part exemplifies the idea that there are certain natural rights of all people that all people have by their birth and that these rights are self evident. According to them, a good government should protect those rights. This is followed by the grievances that are the third part.
B. Thermopylae
The location of the famous stand by three hundred Spartans against the Persian army is called Thermopylae. The battle itself was called the Battle of Thermopylae.