Final answer:
The statement about theaters adopting new technologies such as gaslights, elaborate scenery, and architectural improvements from 1800 to 1900 is True. This period was marked by significant transformations in theater technology and design, enhancing audience experiences and the storytelling potential on stage.
Step-by-step explanation:
The statement is True. During the period from 1800 to 1900, theaters underwent significant transformations, embracing new technologies such as gaslights, elaborate scenery, and architectural improvements that were widely and concurrently adopted. The evolution of theatre spaces, from the late 18th to the early 20th century, saw a shift in staging, acting, and production techniques that reflected the innovative technologies and cultural changes of the time.
These technological and structural advancements indicated a general trend towards more sophisticated and grandiose theater productions, which in turn influenced social behaviors and cultural norms by making the theater a place for both entertainment and social appearances.