The mountainous topography of the Greek peninsula resulted in the isolation of these two city-states.
Athens developed a system that valued philosophy and active political involvement by its citizens in an early form of democracy. (Note that it wasn't full democracy as we'd think of it today, as those who had a political voice were free men, not women or slaves.)
Sparta developed a militaristic system that valued physical training and military service, as well as a strict loyalty to the state.
The U.S. Constitution protects the unalienable right to liberty by including the principle of habeas corpus. Including the principle of habeas corpus protects an individual from unlawful detention and grants individual specific rights to legal counsel and certain judiciary procedures to protect an individuals liberty.
an official agreement intended to resolve a dispute or conflict.
The correct answer is the third, the US could not run a blockade in response to Russia sending nuclear missiles to Cuba because a blockade was considered an act of war and in addition they were trying to avoid direct military confrontation with USSR because of the blockade.