Corruption. Gilded means covered in gold, but on the inside, it was corrupted. There was economic growth, but there were political machines (industry had too much power) and lots of poverty, which lead to the rise of labor unions. For more information, check out the Wikipedia page on the Gilded Age.
Mathematics, mostly.
They also did groundbreaking work in the following fields:
Astronomy
Philosophy
Geography
Sciences
Technology
C. because this case were about a girl cannot go to a public school near her home.
This speech was unusual because in this speech,Theodora shows her determination to face death and her determination to fight with her husband because death is inevitable 3.
To make the production and sale of alcohol illegal