Read the passage and choose the correct answer to each of the following questions
Yellowstone National Park is an American national park that is located in the states of western Wyoming, Montana and Idaho of the United States. It was established on March 1, 1872. Yellowstone is the first and oldest national park in the world. Yellowstone is famous for its wildlife and geothermal features, especially Old
Faithful geysers. Native Americans have lived in the Yellowstone area for at least 11,000 years. The US military was commissioned to oversee this area after it was established. In 1917, the management of the park was transferred to the National Park Service, an agency established several years earlier. Yellowstone National Park covers an area of 8,980 km2, including lakes, canyons, rivers and mountain ranges. Yellowstone Lake is one of the largest lakes in North America and is located in the center of the Yellowstone Caldera. Yellowstone National Park has hundreds of mammal, bird, fish and turtle species in which some of them are endangered or threatened species. Yellowstone has numerous activities such as hiking, camping, boating, fishing and sightseeing. During the winter, visitors often access the park by way of guided tours that use either snow coaches or snowmobiles.

Yellowstone became a national park in__________ .