Final answer:
The Balkans Crisis was detrimental to Germany as it triggered a series of events leading to World War I, resulted in harsh penalties post-war, and indirectly set the stage for World War II.
Step-by-step explanation:
The Balkans Crisis presented a precarious situation for Germany primarily because it exacerbated pre-existing tensions and set off a chain of alliances that led to World War I. German support for Austria-Hungary prompted it to declare war on Serbia, which then implicated Russia and eventually, through a series of alliances, most of Europe. The conflict pitted Germany and the Central Powers against the Allies, resulting in tremendous loss and destruction.
The aftermath was particularly devastating for Germany. The Treaty of Versailles blamed Germany for the war and imposed heavy reparations. The sense of injustice and economic duress that followed contributed to political instability, which was exploited by radical elements, leading to the rise of Adolf Hitler and the commencement of World War II.
Therefore, the involvement in the Balkans Crisis proved to be disastrous for Germany, both in terms of the immediate consequences of World War I and the long-term effects that sowed the seeds for World War II.