I see no difference in meaning. You might want to use 'these' instead of 'those', since you've just mentioned them. I assume you are aware that the first 'sentence' in each pair are not really sentences.
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azza. Death, destruction and misery. Those are the fruits of war.Matter-of-fact tone.
azzb. Death, destruction and misery. Such are the fruits of war.The tone is poetic, literary, or what you might see in a maxim.