занять сторону(Some of the buildings have been destroyed by Isis as reprisal attacks for not having paid protection money, siding with Baghdad or making negative statements about Isis.bookworm)
перейти на сторону(On Sunday morning reports said Russian military servicemen had seized weapons from a radar base and naval training facility in Ukraine's Crimea region where they urged personnel to side with the peninsula's "legitimate" leaders; while other Russian troops were said to have removed weapons from a Ukrainian navy training centre in the Crimean port city of Sevastopoldiplomat.am4uzhoj)
