<Ul> <Li> France </Li> <Li> British Empire </Li> <Li> United States </Li> <Li> Italy </Li> <Li> Japan </Li> </Ul> <P> Part One of the Treaty of Versailles agreed to the establishment of the League of Nations on 25 January 1919 . This came into being on 16 January 1920 with Britain, France, Italy and Japan as permanent members of the Executive Council; the US Senate voted against ratification of the Treaty of Versailles on 19 March, thus preventing American participation . </P> <Table> Statistics of the Allied Powers (1913) and enlisted soldiers during the war <Tr> <Th> </Th> <Th> </Th> <Th> Population (millions) </Th> <Th> Land (million km) </Th> <Th> GDP ($billion) </Th> <Th> Mobilized personnel </Th> </Tr> <Tr> <Th_colspan="7"> First Wave: 1914 </Th> </Tr> <Tr> <Td> Russian Empire </Td> <Td> Russia (inc . Poland) </Td> <Td> 173.2 </Td> <Td> 21.7 </Td> <Td> 257.7 </Td> <Td> 12,000,000 </Td> </Tr> <Tr> <Td> Finland </Td> <Td> 3.2 </Td> <Td> 0.4 </Td> <Td> 6.6 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 176.4 </Td> <Td> 22.1 </Td> <Td> 264.3 </Td> </Tr> <Tr> <Td> French Republic </Td> <Td> France </Td> <Td> 39.8 </Td> <Td> 0.5 </Td> <Td> 138.7 </Td> <Td> 8,410,000 </Td> </Tr> <Tr> <Td> French colonies </Td> <Td> 48.3 </Td> <Td> 10.7 </Td> <Td> 31.5 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 88.1 </Td> <Td> 11.2 </Td> <Td> 170.2 </Td> </Tr> <Tr> <Td> British Empire </Td> <Td> United Kingdom </Td> <Td> 46.0 </Td> <Td> 0.3 </Td> <Td> 226.4 </Td> <Td> 6,211,922 </Td> </Tr> <Tr> <Td> British colonies </Td> <Td> 380.2 </Td> <Td> 13.5 </Td> <Td> 257 </Td> <Td> 1,440,437 </Td> </Tr> <Tr> <Td> British Dominions </Td> <Td> 19.9 </Td> <Td> 19.5 </Td> <Td> 77.8 </Td> <Td> 1,307,000 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 446.1 </Td> <Td> 33.3 </Td> <Td> 561.2 </Td> <Td> 8,689,000 </Td> </Tr> <Tr> <Td> Empire of Japan </Td> <Td> Japan </Td> <Td> 55.1 </Td> <Td> 0.4 </Td> <Td> 76.5 </Td> <Td> 800,000 </Td> </Tr> <Tr> <Td> Japanese colonies </Td> <Td> 19.1 </Td> <Td> 0.3 </Td> <Td> 16.3 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 74.2 </Td> <Td> 0.7 </Td> <Td> 92.8 </Td> </Tr> <Tr> <Td_colspan="2"> Yugoslav states </Td> <Td> 7.0 </Td> <Td> 0.2 </Td> <Td> 7.2 </Td> <Td> 760,000 </Td> </Tr> <Tr> <Th_colspan="7"> Second Wave (1915--16) </Th> </Tr> <Tr> <Td> Kingdom of Italy </Td> <Td> Italy </Td> <Td> 35.6 </Td> <Td> 0.3 </Td> <Td> 91.3 </Td> <Td> 5,615,000 </Td> </Tr> <Tr> <Td> Italian colonies </Td> <Td> 2.0 </Td> <Td> 2.0 </Td> <Td> 1.3 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 37.6 </Td> <Td> 2.3 </Td> <Td> 92.6 </Td> </Tr> <Tr> <Td> Portuguese Republic </Td> <Td> Portugal </Td> <Td> 6.0 </Td> <Td> 0.1 </Td> <Td> 7.4 </Td> <Td> 100,000 </Td> </Tr> <Tr> <Td> Portuguese colonies </Td> <Td> 8.7 </Td> <Td> 2.4 </Td> <Td> 5.2 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 14.7 </Td> <Td> 2.5 </Td> <Td> 12.6 </Td> </Tr> <Tr> <Td_colspan="2"> Kingdom of Romania </Td> <Td> 7.7 </Td> <Td> 0.1 </Td> <Td> 11.7 </Td> <Td> 750,000 </Td> </Tr> <Tr> <Th_colspan="7"> Third Wave (1917--18) </Th> </Tr> <Tr> <Td> United States of America </Td> <Td> United States </Td> <Td> 96.5 </Td> <Td> 7.8 </Td> <Td> 511.6 </Td> <Td> 4,355,000 </Td> </Tr> <Tr> <Td> overseas dependencies </Td> <Td> 9.8 </Td> <Td> 1.8 </Td> <Td> 10.6 </Td> </Tr> <Tr> <Td> Total </Td> <Td> 106.3 </Td> <Td> 9.6 </Td> <Td> 522.2 </Td> </Tr> <Tr> <Td_colspan="2"> Central American states </Td> <Td> 9.0 </Td> <Td> 0.6 </Td> <Td> 10.6 </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="2"> Republic of the United States of Brazil </Td> <Td> 25.0 </Td> <Td> 8.5 </Td> <Td> 20.3 </Td> <Td> 1,713 </Td> </Tr> <Tr> <Td_colspan="2"> Kingdom of Greece </Td> <Td> 4.8 </Td> <Td> 0.1 </Td> <Td> 7.7 </Td> <Td> 230,000 </Td> </Tr> <Tr> <Td_colspan="2"> Kingdom of Siam </Td> <Td> 8.4 </Td> <Td> 0.5 </Td> <Td> 7.0 </Td> <Td> 1,284 </Td> </Tr> <Tr> <Td_colspan="2"> Republic of China </Td> <Td> 441.0 </Td> <Td> 11.1 </Td> <Td> 243.7 </Td> <Td> </Td> </Tr> <Tr> <Td_colspan="2"> Republic of Liberia </Td> <Td> 1.5 </Td> <Td> 0.1 </Td> <Td> 0.9 </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> </Th> <Th> </Th> <Th> Population (millions) </Th> <Th> Land (million km) </Th> <Th> GDP ($billion) </Th> <Th> Mobilized personnel </Th> </Tr>

Who joined the allied powers as the war progressed
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