I think i know the answer it might be <span>manifest destiny</span>
Answer: D) women's colleges
Explanation: The reform to the American education system that began in the early nineteenth century was women's colleges. Around this time, more educational opportunities for women began to emerge with the founding of the first colleges that women could also attend.
The technology that was ignored prior to the attack on the
Pearl Harbor was the radar. The reason that it was ignored during the attack
because of the fact that it wasn’t new or evolved and that it is still
considered to be experimental.