Russia’s focus on Ukraine is certainly intense. The Kremlin has massed troops and equipment along their common border; launched major cyberattacks against Kyiv’s government computer systems; planted operatives in the eastern Donbas region who could stage false-flag operations as pretexts for Russian invasion; and escalated a long-standing insistence that Ukraine is not a legitimate sovereign state.
Source: Opinion | Vladimir Putin has a larger strategy on Ukraine. The United States needs one too. – The Washington Post