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Option 4: "changed in 40 years"
Explanation: This option is correct as it directly reflects the concluding statement of the text, which notes how the space race and the world have changed over the span of 40 years. This aligns perfectly with the overall theme of progress and transformation in space exploration.
Option 1: "expanded beyond our galaxy"
Explanation: This option suggests a concept that is not supported by the text. The text discusses the space race and its historical context, but it does not mention anything about expanding beyond our galaxy. Therefore, this option does not align with the main idea of the text.
Option 2: "influenced evolution"
Explanation: While evolution is a significant topic, the text does not address it at all. The focus is on the achievements in space exploration, making this option irrelevant to the context provided.
Option 3: "exit in all years"
Explanation: This option is grammatically incorrect and does not make logical sense in the context of the text. The phrase 'exit in all years' does not relate to the historical developments mentioned in the text.
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