The document discusses the formation of a Confederation and Federal Army in Germany in the 1840s. Nationalist sentiment encouraged by German princes during the Napoleonic Wars lingered after. When France threatened to take German territory along the Rhine in 1840, Prussia organized military forces to defend the Confederation, uniting Germans. While this highlighted the potential strength of cooperation, it took six years to agree to a Federal Army, which individual states were unwilling to fully commit their forces to.