Olaf Scholz, the German chancellor, made the announcement on Wednesday in response to growing international pressure from the United States, Poland, and a group of other European countries, who urged Berlin to increase its military help and commit to supplying their desired vehicles.
The US mirrored the announcement. President Joe Biden announced on Wednesday that 31 M1 Abrams tanks would be delivered to Ukraine, overturning the administration’s long-standing opposition to Kyiv’s requests for the highly advanced but maintenance-intensive vehicles. The shipments mark a turning point in the West’s military assistance to Kyiv and send a positive message to the rest of the world about Ukraine’s capacity to retake occupied territory. Instead of concentrating on repelling Russian strikes, they might enable Ukraine to take the fight to Moscow’s military and retake more occupied ground.
Source: https://www.cnn.com/2023/01/25/europe/germany-leopard-tanks-ukraine-impact-explainer-intl/index.html