The most relevant response regarding the connection between European imperialism in Asia and the outbreak of World War I is:
C The growth of nationalism in the years before World War I led many countries to defend themselves against larger nations.
This response captures how imperialism contributed to rising nationalist sentiments in colonized regions, including parts of Asia, which influenced the geopolitical dynamics leading up to the war. The competition among imperial powers and the resulting alliances also played a significant role in the conflict's outbreak.