a) Well, now that we have realized the truth, I'm sure everybody is going to be on board with reducing the NATO military budgets and dedicating the resources to more productive endeavors.
b) No doubt about that, starting by invading.
c) I'm not sure about the manpower advantage. What are the numbers? And Ukraine is fighting in its own territory with unlimited intelligence and supply support from the richest countries in the world. We shouldn't forget about that.