In the article, Kuleba recalled the demand of the Russian leader Vladimir Putin to provide "reliable and firm legal guarantees" for the non-expansion of NATO's North Atlantic alliance to the east.

“The only way out of the situation is a comprehensive containment plan that Ukraine and its partners are currently developing,” he wrote.

The plan includes sanctions in the event of a hypothetical armed conflict between Russia and Ukraine.

For a long time, Western countries reacted to Moscow's ambitions "with delay, indecision and weakness," Kuleba said. 

Earlier, Putin proposed starting substantive negotiations to achieve legal guarantees of NATO's eastward expansion.

Providing Russia with reliable and long-term security guarantees is the primary task of Russian diplomacy, he stressed.

Putin also warned of the consequences of deploying strike systems in Ukraine.

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