Final answer:
Diplomatic alliances and trade partnerships were crucial in shaping national economies during the Commercial Revolution.
Explanation:
Diplomatic alliances played a significant role in contributing to national economies during the Commercial Revolution. These alliances fostered trade partnerships, which facilitated economic growth and development. For example, the German Zollverein and the Cobden-Chevalier Treaty between Britain and France are instances where diplomatic efforts positively impacted national economies by promoting international trade.
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