question: What law passed in 1940 regarding the population of the U.S. national bird ?
answer: Bald Eagle Protection Act of 1940
turker_answer: The Bald Eagle Protection Act of 1940 was passed regarding the population of the U.S. national bird .
rule-based: Bald Eagle Protection Act of 1940 passed in 1940 regarding the population of the U.S. national bird .