Question: Extract the answer to the question from the following context. Question: What happened in the 43rd year of the century known as the 1900's? 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.
Answer:
the United States built Wideawake airport on Ascension