How Ukraine's warmer weather could now give Russia an advantag

The video discusses how changing weather conditions impact military operations. Previously, muddy conditions hindered movement, but now the dry, fertile Ukrainian terrain allows for better tank mobility. This change raises questions about which side, Russian or Ukrainian, will capitalize on the improved maneuverability for offensive strategies.

According to the text, what are the potential advantages for tanks in the described conditions?

Who does the text imply might be on the offensive, the Russians or the Ukrainians?