Answer:
The president that dedicated the Great Smoky Mountains National Park is President Franklin Roosevelt.
Explanation:
In September of 1940 President Franklin D. Roosevelt went to East Tennessee. The President delivered his address at Newfound Gap at the main crest of the mountains. In the future if you see a question asking about which president dedicated national parks, you know that it will be President Franklin Roosevelt. This tip helped me, so I hope it helps you too. Hope this helped :)
