Though I am aware of the blockade (I'm not American), I was not aware of the humanitarian crisis it caused. The document you linked clearly states that the US

Though I am aware of the blockade (I'm not American), I was not aware of the humanitarian crisis it caused. The document you linked clearly states that the US now recognizes this was a mistake. "The Inter-American Commission on Human Rights of the Organization of American States has informed the US Government that such activities violate international law and has requested that the US take immediate steps to exempt food and medicine from the embargo." But your initial comment was if Ukraine provoked Russia, so you're going down a rabbit hole of history that has no bearing on this.