Final answer:
The nineteenth-century was a transitional period for architecture due to the introduction of new materials, changes in functions, and the elevated status of architects.
Step-by-step explanation:
The nineteenth-century is considered a transitional period for architecture due to various changes taking place. During this time, there were significant advancements in materials, functions, and the status of architects.
One of the key changes was the introduction of new materials such as iron, steel, and glass, which revolutionized architectural techniques.
For example, the Crystal Palace, built in 1851, showcased iron and glass construction. Architects were also challenged to create buildings with diverse functions and connections to the surrounding environment.
Furthermore, the status of architects was elevated, and they were recognized as professionals with specialized skills.
Overall, the nineteenth-century witnessed a shift towards innovative designs, new materials, and an expanded role for architects.