The US government, apologies. They were, threatened with nuclear installments in neighboring countries after an agreement to the contrary, as well as Ukraine joining NATO. Regardless of who started it, there was an opportunity for a ceasefire with the Minsk accords, which Zelenskyy pulled out after meeting with US officials, likely because the MIC was thirsty after the botched departure from Afghanistan.

Edit: This isn’t Reddit, I thought downvotes were given for intellectual dishonesty or attacks, not simply voicing unpopular opinions