Single/multi-select question: Does the sentence "During the Gilded Age, there was substantial growth in population in the United States and extravagant displays of wealth and excess of America's upper-class during the post-Civil War and post-Reconstruction era, in the late 19th century." provide a valid answer to the question "Where did the wealth of the Glided Age come form?"
Choose from:
1). yes.
2). no.
2).