What law allowed Theodore Roosevelt to create national monuments?

Here is the question :

WHAT LAW ALLOWED THEODORE ROOSEVELT TO CREATE NATIONAL MONUMENTS?

Here is the option for the question :

• Sherman Antitrust Act
• The Spooner Act
• American Antiquities Act
• Pure Food and Drug Act

The Answer:

And, the answer for the the question is :

Explanation:

[STC0016494]. The Antiquities Act provides the President with the authority to identify and conserve areas of land and artifacts that are significant historically or environmentally. After signing the bill into law in 1906, Theodore Roosevelt went on to create the first 18 national monuments, some of which include Devil’s Tower in Wyoming and Muir Woods in California. The protected areas were initially managed by the National Park Service, which was created in 1916.