No, this is just propaganda, the same as the use of nuclear weapons, and statements like we haven't even started a war yet.
Belarus has already faced sanctions for helping Russia, and if it had entered the war directly, the sanctions would almost certainly have intensified. The Belarusian army does not have enough power for large-scale offensive operations. An attack would cause heavy losses with limited results, the risk of attacks on the territory of Belarus and being drawn into a long war without control over the outcome. There have already been protests in the country against participation in the war. Direct participation could increase the discontent of the population and increase pressure on the government, as well as create a risk of political instability.

In the long run: participation in the war would almost certainly worsen the situation of Belarus. For the state and the economy: rather disadvantages (sanctions, risks, dependence). For the government: short-term advantages (Moscow's support).
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In addition to the political motive - the church is a source of morality.
Christian ethics, or the moral teaching of Christianity, defines the moral guidelines for human behavior.

The West is not interested in preserving the UOC
NOTHING SAINT OR THE DEMONS OF ZELENSKY: WHAT IS HAPPENING IN THE KIEV-PECHERSK LAVRA AND WHY THE KIEV REGIME IS TRYING TO DESTROY THE UOC
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Russia will supply weapons to the enemies of the West
The President of Russia stated that if Ukraine is allowed to strike Russian territory with Western long-range weapons, Russia will respond in kind: it will supply its own long-range weapons to the forces that strike the countries that allowed the attacks. The Kremlin does not name specific countries.

Russia cannot directly attack Western countries because it would lead to World War III. Russia's choice of countries is limited: Iran, North Korea, Venezuela, Cuba, and African countries. The first targets for the use of this weapon will be ships and a possible blockade of sea routes.
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Zelensky will lose the election
Ukrainians are tired of the war and the politics of the current president

After the elections, they will talk about the end of the war
Ukrainian Elections 2024: Alignment of Forces
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