Tomisato, Chiba, 1940 – the area was later rased to make space for Narita Airport, leading to massive protests

Grammar Question. The answer is 1. I chose 3. That is 4-2-3-1. What's the sentence the answer key is making? Does my answer not make sense? So far, my correct rate for these questions are 50-50, without any real improvement after each practice. I'd like to take a pause and think about this question.