Answer 1
The increase of automobile ownership led to family excursions to destinations accessible by highways. Restaurants were built along such motorways to service this new wave of demand. Because such travelers were not interested in leisurely dining in such establishments, those restaurants tended to became fast-food outlets.
Answer 2
The U.S. National Park Service is the federal agency responsible for managing natural, historical, and recreational areas throughout the United States and its territories. Its mission includes a clear focus on managing the country's nature-based resources in a sustainable manner for all citizens and visitors to enjoy.
A herd of Roosevelt Elk in Redwood National and State Parks, California
Wombat in Narawntapu National Park, Tasmania
Grevy's zebras in Samburu National Reserve.