Final answer:
The outcome of World War I was heavily influenced by the United States' industrial capacity, the infusion of fresh American troops, and strategic alliances such as the one with France. Economic factors and the role of technology and industrial production were also pivotal in shaping the outcomes of both World Wars.
Step-by-step explanation:
The most significant factors impacting the outcome of the war, specifically World War I, were the industrial capacity of the United States, the entry of millions of fresh American troops, and the strategic alliances formed, such as the American states and French alliance. While American troops were not initially the superior fighters, the industrial capacity of the US enabled the production of vast amounts of war materiel. Moreover, the strategic decision for the US to join the Allies had a tremendous psychological and material impact, especially as German supplies and morale were waning.
Additionally, the economic considerations in the US also influenced its entry into the war. The economic ties to Britain and the Allies were significant, as American exports to these countries increased drastically with the onset of the war. This economic dependency on Allied success was paralleled by heavy American financial loans made to Britain and the Allies, which further solidified the US position against the Central Powers.
Lastly, the importance of diplomatic alliances cannot be overstated. The French joining forces with the American states after the Battle of Saratoga and their significant contribution to the war effort demonstrated that alliances formed a backbone for military success and also had lasting geopolitical consequences. These factors, combined with the eventual entry of the US into World War II and the critical role of technology and industrial production during both world conflicts, demonstrate the complex interplay of economic, military, and diplomatic forces in determining the outcomes of these historic events.