Why did Prussia and Austria compete for influence in Germany?

The competition between Prussia and Austria for influence in Germany, often referred to as Austro-Prussian dualism, emerged as the Hohenzollern dynasty of Prussia rose to challenge the Habsburgs of Austria.12

This rivalry was driven by several key factors:

• Dynastic Ambition: Throughout the 18th and 19th centuries, both powers prioritized their own dynastic interests over German national unity. Prussian rulers, such as Frederick the Great, actively sought to check Habsburg influence to expand their own authority and state power.12
• Hegemony in Germany: The two powers vied for dominance within the German states. While Austria traditionally held the imperial title and influence through the Holy Roman Empire and later the German Confederation, Prussia leveraged its growing military strength and economic influence, such as through the Zollverein, to challenge Austrian leadership.134
• Conflicting Visions: Attempts to organize Germany, such as the Erfurt Union, failed because Austria refused to grant Prussia equal status, leading to intense diplomatic and military friction.5

This long-standing struggle for hegemony ultimately concluded with Prussia’s victory in the Seven Weeks’ War in 1866, which effectively ended Austrian influence in German affairs and paved the way for Prussian-led unification.34