Question

tures were able to be built faster and more advanced in the 19th century due to the introduction of
a. steam - powered machinery
b. computers
c. solar - powered machinery
d. electric - powered machinery

Explanation:

In the 19th century, steam - powered machinery was a key innovation. Computers became prominent much later (mid - 20th century and onwards). Solar - powered machinery was not a major factor in the 19th - century construction advancements. Electric - powered machinery also became more significant in later periods compared to the 19th - century dominance of steam power for faster and more advanced construction.

Answer:

A. steam - powered machinery