The president also says Russia has been dragging its feet on a meeting between him and Vladimir Putin.
President Volodymyr Zelensky of Ukraine says he wants to hear a clear "yes" or "no" from U.S. President Joe Biden on a NATO Membership Action Plan for Ukraine.
In a joint interview with Reuters, Associated Press and Agence France-Presse on Monday, Zelensky also said that the United States should provide economic support to Ukraine.
Zelensky said Russia was dragging its feet on a meeting between him and Russian President Vladimir Putin with no clear reason.
And he said most of the Russian troops that were moved in spring to areas near Ukraine's borders had not been not pulled out.
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