Given the question: Question: "What is the third word in USA?"  Context: "The Museum of Osteology houses more than 300 real animal skeletons. Focusing on the form and function of the skeletal system, this 7,000 sq ft (650 m2) museum displays hundreds of skulls and skeletons from all corners of the world. Exhibits include adaptation, locomotion, classification and diversity of the vertebrate kingdom. The Museum of Osteology is the only one of its kind in America."  Answer:
The answer is:
America