Abrams and the Black Panther vs. Russian T-14 and T-90M [SKANER Defence24]

Which tank is better? M1 Abrams or K2 Black Panther? How would they deal with what Russia has in this with the latest T-90M and T-14 Armata tanks? Finally, how does the 3rd Polish tank Leopard 2 have on this background? On SKANER Defence24, Maciej Szopa asks, and he answers Damian Ratka.