They opposed the League of Nations
Many Germans felt they had been treated unfairly in the Treaty of Versailles
Why was U.S. President Wilson unsuccessful in his attempt to get Senate approval for the Treaty of Versailles? Most of the Senators did not agree with the U.S. policy of isolationism. The Senate felt the treaty would limit U.S. independence in world affairs. Many Republican Senators favored greater U.S. involvement in world affairs. The Senate urged greater U.S. involvement in the League of Nations.
They were mostly isolationists and didn't want to be tied to European affairs, or have American affairs put in the hands of European countries. Many were also opposed to Wilson himself. The reservationists were another group opposed to the Treaty.
included the Covenant of the League of Nations
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Why was U.S. President Wilson unsuccessful in his attempt to get Senate approval for the Treaty of Versailles? Most of the Senators did not agree with the U.S. policy of isolationism. The Senate felt the treaty would limit U.S. independence in world affairs. Many Republican Senators favored greater U.S. involvement in world affairs. The Senate urged greater U.S. involvement in the League of Nations.
The U.S. Congress refused to approve the Treaty of Versailles primarily due to concerns over the League of Nations, which many senators believed could entangle the U.S. in international conflicts without Congressional approval. There was significant opposition led by Senator Henry Cabot Lodge, who argued that the League threatened American sovereignty. Additionally, there was a prevailing isolationist sentiment in the country after World War I, with many Americans preferring to avoid foreign entanglements. Ultimately, the treaty was rejected, and the U.S. did not join the League of Nations.
Many historians trace the roots of World War II to the Treaty of Versailles.
in the treaty of Versailles Britain and France wanted Germany to pay for damages it caused in Europe, when in fact that Germany's ally austria-Hungary and some eastern slavic nation started the war. and from that, the treaty made Germany one of the poorest European nation in the world, like the German Mark (German currency at that time) had no value in it that Germans would use it for kindling to warm their houses
they were horrible The Treaty of Versailles had many negative effects on Italy The Treaty of Versailles effects on the Kingdom of Italy, as it was called back starting in 1861 to 1946 started Facism in Italy. It also arose a diarchy in Italy. It also caused civil distress.
The Treaty of Versailles did not 'let the holocaust happen'. You are making too many leaps. Even when Hitler came to power it was not obvious that there would be a holocaust.
The Versailles Treaty created peace only because it ended the fighting. All it did was punish Germany for its part in the war.