Brazil, India, China, and etc. are not going to backstop the ruble.
Really?
https://www.ft.com/content/df240b8a-d7be-4f38-a289-8b5ebb09fba1
https://www.voanews.com/a/6493140.html
They already have. Check the value of the Ruble which rose to record highs after Dementia Joe's laughable “sanctions”.