2. He says "We will protect our land with all the forces and means at our disposal and will do everything to ensure the safe life of our people. This is the great liberation mission of our people." The key point here is "our land" - this includes the newly annexed oblasts "all the forces and means at our disposal" - this includes nuclear forces.
In other words he is saying that Russia can use nuclear forces to protect Donetsk / Luhansk / Crima from Ukraine.
now please send those 1000 bitcoins to UA: https://savelife.in.ua/en/donate-en/#donate-army-crypto