Russia has been mostly reacting to attacks or provocations over initiating them. The latest ones being the bombing of a Sevastopol beach in Crimea from Ukraine with US weapons and assistance.

https://www.newsweek.com/marjorie-taylor-greene-claims-ukraine-fired-civilian-beach-what-we-know-1917003

Then, the plan to install US military bases in Finland just out of St Petersburg is madness, what are they thinking?