The correct answer is D. The Russian Revolution
Explanation
The Russian Revolution was a process of regime change in a country governed by a monarchy led by the Tsar, which had lost its legitimacy due to the economic crisis and war conflicts.
In response to this, the people had carried out strikes, riots, assassinations and chaos that forced the resignation of the Tsar and the establishment of a provisional government in March 1917. However, the working class and the Bolsheviks took power, starting a civil war which would last until 1920.
These events that occurred during the Russian Revolution can be seen in each of the steps of the image and the leg that says "labor" represents the working class that was the main protagonist of this change that brought chaos to the country and an unpredictable future . So the correct answer is D. The Russian Revolution.
The Cuba unified the issues during the Spanish American war in April 1898
The correct answer is Canada.
Canada was the country which had an annual labor festival before the United States. Labor Day in Canada started around 1870 in Toronto, and then years later, Peter McGuire brought the national holiday to America as well to celebrate the contributions of workers.
