This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...te other nations at the price of self-sacrifice, but a free nation has the right to do it, when and if it so chooses.
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This right, however, is conditional. Just as the suppression o
f crimes does not give a policeman the right to engage in criminal activities, so the invasion and destruction of a dictatorship does not give the invader the right to establish another variant
of a slave society in the conquered country.
A slave country has no national rights, but the individual rights of its citizens remain valid, even if unrecognized, and the conqueror...