Western tanks for Ukraine: what and from whom? [ANALYSIS]

The Ramstein conference ended with no decision to supply Ukraine with more Western tanks, apart from a company of British Challengers 2. Representatives of various NATO countries, including the US and Germany, as well as North Atlantic Alliance Secretary General Jens Stoltenberg, are talking about the matter. It is worth considering what sources Western tanks for Ukraine can come from and what kind of machines they can be.