In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: Which event happened first, Ascension being made dependent on Saint Helena or the US building Wideawake airport on Ascension Island?, Context: A local industry manufacturing fibre from New Zealand flax was successfully reestablished in 1907 and generated considerable income during the First World War. Ascension Island was made a dependency of Saint Helena in 1922, and Tristan da Cunha followed in 1938. During the Second World War, the United States built Wideawake airport on Ascension in 1942, but no military use was made of Saint Helena.
A:
dependency