Complex sentence: The construction of this building reflects the increasingly common opinion that a complete education included physical education and is credited with providing advantages that contributed to the success of the basketball team during the 1930s and 1940s.
Split into simpler sentences: The construction of this building reflected the increasingly common opinion of the time that a complete education included physical education. It is credited with providing advantages that contributed to the success of the basketball team during the 1930s and 1940s.