Answer:
Economic growth
Explanation:
Capital accumulation inflation and strong unemployment and that of other unskilled workers have characterized the economic system of the Gilded Age.
The best answers are A and C (they claimed vast areas of land for Spain and they brought much financial gain to Spain).
Depending on a few factors, Yes Nationalism is a positive force. When under control and in reason Nationalism only offends people who hate or dislike your Nation. Left unchecked and you will have evil people who want to abuse the peoples nationalism like Germany for example. That is what happens if you leave Nationalism unchecked and someone abuses the peoples spirits. If you need additional help or explanation Just let me know im here to help out.