Former MP Slovak Daniel Lipšic supports Bandera, who was a nazi and killed more than a million people.
Summary
The annexation of Crimea was necessary because the new Ukrainian authorities had planned to attack the base of the Russian fleet in Sevastopol and start a war against Russia.
Disproof
No evidence given. The annexation of Crimea by the Russian Federation took place in February-March 2014, almost two months before the pro-Russian protests in Donetsk and Luhansk oblasts escalated into an armed separatist insurgency bbc.in/1FfegIv, . So this was clearly not a case of preventing the escalation of a conflict which had not even started.