The Late 1800s Was a Time of Explosive Growth in Inventions

The late 1800s was a time of explosive growth in inventions. What these many innovations of the era had in common, according to your text, was they

A) all, in one way or another, tapped the power of electricity.
B) were a product of systematic invention.
C) demonstrated America's historic leadership in basic research.
D) transformed industry, while having little effect on daily life.