Examine the political cartoon. Which cause of WWI is it most showing?
A. Increasing opportunities for new colonization.
B. Increasing nationalism.
C. Alliances.
D. Increasing Imperialism.

C.

Explanation:

As depicted in the cartoon, the reason of involvement for most countries in WWI was due to alliances.

The most notable instance was Russia's retaliation against Austria-Hungary caused by its invasion of Serbia, which then resulted in other major European powers joining in on either side, sparking WWI.