The major social sciences are Anthropology, Archaeology, Economics, Geography, History, Law, Linguistics, Politics, Psychology and Sociology.
Advocacy is often seen as working “within the system” where as activism is seen as working “outside the system” to generate change.
The war giving Cuba independence from Spain was the "Spanish American War", since this was the war in which the US engaged with Spain in part because of their ill treatment towards the Cuban natives.
Answer:
This era created changes in business, the work that people did, and society. These shifts continue to affect the world today.
Examples:
Industrialisation brought men, women and children to factories.
Working hours were often long and wages were poor.
Unemployment was common, particularly during times of low demand for industrial goods.