This bitter struggle may well come down to whoever has the better supply chain.
A selection of our coverage of the conflict from the past week.
If the west fulfils its promise to supply 300 modern main battle tanks to Ukraine, it could be a gamechanger.
Germany’s dithering over whether to send tanks to Ukraine reflects deepening divisions in NATO over how involved it wants to get in the war. The West needs a clearer strategy.
New supplies of advanced weaponry and training will further integrate Ukraine into Nato’s defensive system.
Poland’s robust arguments for more weapons for Ukraine is partly sparked by its own vulnerable position.
An arms trade expert explains the wide variety of military aid nations around the world have sent to Ukraine.
From the Swiss border to the English channel, a scholar describes his pilgrimage of the Western Front as a tribute to fallen soldiers and to learn more about the devastating loss of life.