During World War I, the leader of Brazil was President Venceslau Brás. He served as president from 1914 to 1918 and was notable for his support of the Allied Powers. Brazil entered the war in 1917, contributing troops and resources to the Allied efforts, marking a significant moment in the country's foreign policy.
That was General John J. Pershing.
John J. Pershing
The Crown Prince, following the abdication of the Kaiser.
Woodrow Wilson
Herbert Asquith was the leader of Britain in ww1
Lula Da Silva, Luiz Inacio is the leader of Brazil.
George Clemenceau
Mubarak
Franz Josef I
Woodrow Wilson.
David Lloyd George was the leader of Brittain during ww1
Kaiser Wilhelm II
There was no single leader during WW1. Each country had their own leader.
Franz Joseph
Czar Nicholas II
Kaiser Wilhelm II
it was Sims.