Final answer:
The United States, Great Britain, France, and Italy were the 'Big Four' that wielded the most influence at the Paris Peace Conference.
Step-by-step explanation:
The 'Big Four' countries that wielded the most influence at the Paris Peace Conference were the United States, Great Britain, France, and Italy. These four countries were considered the most powerful and influential nations at the conference and played a significant role in shaping the outcome of the negotiations.
The United States, led by President Woodrow Wilson, brought his Fourteen Points proposal to the conference which advocated for principles such as self-determination and the establishment of an international organization to prevent future conflicts. This proposal had a major influence on the discussions and negotiations.
Great Britain, France, and Italy also had their own interests and priorities at the conference. The leaders of these countries, including British Prime Minister David Lloyd George, French Prime Minister Georges Clemenceau, and Italian Prime Minister Vittorio Orlando, actively participated in the negotiations and had a significant say in the final decisions.
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