There are many reasons why a nation supports education and training including the fact that, much of the human capital of a nation's workforce is acquired in school. Without proper education the workforce would not be as productive or capable of producing high levels of economic output.
For the costs of major US Wars from the American Revolution.
The best option from the list regarding womens' education in the late 1800s would be that "opportunities opened up with <span>private women's colleges," although these opportunities almost always fell short of those for men. </span>