Why did Ukraine’s combat power suddenly explode and the counterattack began to approach the Ukrainian-Russian border?

Ukraine’s combat effectiveness did not suddenly explode, but it had been prepared two months ago.

1. Ukraine has received a lot of material, military and information support from the NATO organization headed by the United States. For example, all movements of the Russian army are under the control of Ukraine. On the other hand, Russia has no control over the movements of the Ukrainian army.

Second, another reason why the Ukrainian army's combat effectiveness is so high is that the United States provides long-range strike "Haimas" rocket launchers, and EU countries provide a large number of advanced weapons, which is the fundamental guarantee for Ukraine's combat effectiveness report. Ukraine is also a fighting nation, and they always believed that they were defending their country during this war. It is completely possible to sacrifice one's life for the country. This is also the fundamental reason for the improvement of Ukraine's combat effectiveness.

3. The internal strife within Russia has reached a fever pitch. The latest manifestation of this infighting is the death of top Russian energy officials, and this infighting has most likely spread to the military. Otherwise, there will be no support from the Russian Aerospace Forces and Army this time, which is really a bit abnormal.

4. Russia has a serious shortage of troops. Russia has always wanted to treat this war as a special military operation and does not want to expand the scale of the war. Therefore, in the entire Russo-Ukrainian war, Russia only sent 100,000 people. So They scattered people over an area as large as Ukraine and carried out a large-scale attack on Ukraine. They still had to stay in the areas they conquered, so the number of troops was naturally insufficient.

5. The Russian army itself lags behind in informatization. Since the Russo-Ukrainian War, Russia has lost many generals. In modern wars, the death rate of Russian generals definitely ranks first. This is essentially The first is that Russia itself is lagging behind in informatization, and generals have to use civilian facilities to communicate or go to the front line to command in person, which results in a very high mortality rate for Russian generals. The same is true for this Ukrainian counterattack.