Answer:
d. European nations competed and made alliances to control colonies.
Explanation:
The world War I was a period of battle between various countries from 1914 to 1918. It started formally on the 28th of July, 1914 and ended on the 11th of November, 1918.
Imperialism can be defined as a policy, ideology, or advocacy that sought to extend a country's power, dominion, authority and influence over another country through diplomacy, use of military force or colonization (direct territorial acquisition).
This ultimately implies that, imperialism is an advocacy or policy that is typically used to impose or extend a country's power, dominion, authority and influence. It simply means to seek colonies of other nations or countries.
Hence, imperialism led to WW1 because European nations competed and made alliances to control colonies.
In conclusion, there was an eagerness on the part of European Nations to gain colonial territories that were owned by other rival nations.
