Use google translate on the link below but basically it says
“ In accordance with Article 107 of the Constitution of Ukraine, I decree:
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To put into effect the decision of the National Security and Defense Council of Ukraine of March 11, 2021 “On the Strategy of deoccupation and reintegration of the temporarily occupied territory of the Autonomous Republic of Crimea and the city of Sevastopol” (attached).
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To approve the Strategy of deoccupation and reintegration of the temporarily occupied territory of the Autonomous Republic of Crimea and the city of Sevastopol (attached).
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Control over the implementation of the decision of the National Security and Defense Council of Ukraine, enacted by this Decree, shall be vested in the Secretary of the National Security and Defense Council of Ukraine.
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This Decree shall enter into force on the day of its publication.
President of Ukraine V.ZELENSKY
March 24, 2021
They've technically been at war since 2014