<t> Looking at the price for reinforcements and replacement units in CW2 (playing Union) seemed higher than in original game.<br/>
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Upon analysis, all units cost about 2 times as much money AND 2 times as much War Supply to create as reinforcements or replacements.<br/>
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See file for ...

I assume the patch also includes fix for not being able to buy siege artillery. Because of missing artwork, no representation of cost to buy siege artillery, nor ability to buy and place.