> "forced russification"

If you follow the definition literally, then yes. Yet, Russia always was very careful with the culture of the colonies, way more careful than Britain, France and Westerners in General.

> But these are different topics.

No, actually not. Russia is always disproportionately blamed for being a cultural oppressor, however as an Empire, USSR needed a single unifying culture and language. In that respect, Russians were much less oppressing and arrogant than the British, Spaniards or French.

> You might want to look at Puerto Rico.

I want one in Texas.