I find it bizarre, even chilling, that the most recent meeting on the current Ukraine situation was in Munich, famous for the 1938 authorization of Hitler's annexation of the Sudetenland. For all the bluster about threatened sanctions, this looks like a repeat. The critical fact is that the Nato countries are not willing to provide military support for Ukraine, despite the fact that their combined military is considerably stronger than Russia's. All else is talk.
P.S. (2/22/22) Hitler claimed that he only wanted to annex the Sudetenland, a part of Czechoslovakia with a substantial German speaking population. Putin has recognized two Ukrainian provinces in the eastern part of the country with a substantial pro-Russian population as independent countries and sent in Russian troops as "peacekeeping" forces.
Hitler went on to annex all of Czechoslovakia. My guess, given the location of Russian military forces, is that Putin intends to treat any attempt by the Ukrainian military to resist his invasion as an attack on the provinces he has just recognized as countries and so an excuse to invade the rest of the country, seize the capital, and install a pro-Russian government.
But we will see.
P.P.S. 2/24/22 A second historical parallel occurs to me. When Italy invaded Abyssinia, France and the U.K., unwilling to use naval force to prevent the invasion, instead applied economic sanctions — with no significant effect other than persuading Mussolini, who had been pro-allied in WWI, that they were not his friends and not very dangerous enemies.