Answer:
True
Step-by-step explanation:
World War I is considered to be the first global and total conflict with modern technology and mass destruction no one had ever seen before. More than 30 countries from North America, South America, Europe, Asia, Africa and Australia got involved.
The only continent that did not enter or get involved with the war was Antarctica.
Therefore, the statement is true. Soldiers from every continent fought in WWI, but there were none from Antarctica.