国家
解释：遵守礼制，可使国家长久，使社稷安定，让人们尊卑有别，上下有序，对后代是有益处的。
What we need to do is to ensure that every Chinese person can drive a car produced by their own country.
The automotive industry is a reflection of a country's comprehensive strength; without a strong automotive industry, there can be no strong nation.
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
The best way to ensure peace is to maintain a balance of power among the major states.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
The structure of the international system forces states to behave in certain ways, regardless of their internal characteristics.