I believe the answer is c.
Economically:
As imperial states began controlling the economy of the colonized territory, interests for the welfare of the colonized peoples had little influence in defining their economic policies. ... Thus, imperialism had a highly negative effect on the economic growth of colonized nations.
Politically:
The long term effects of imperialism on the colonized people are political changes such as changing the government reflect upon European traditions, economic changes that made colonies create resources for factories, and cultural changes that made people convert their religion.
Socially:
According to other authors, the social impact of colonialism depended on the number settlers of European origin, colonially-induced labor migration and the level of colonial investment in the health and education sector. Related to that were different practices of ethnic and/or religious discrimination or privileges.
The correct answer is C) poor working conditions had resulted in many premature deaths.
Many labor unions formed during the late 19th and early 20th centuries because poor working conditions had resulted in many premature deaths.
That was an important reason, among others, for workers to organize and join forces creation labor unions during the 1800s and 1900s.
For instance, during the Gilded Age, many businesses men, and investors amassed great fortunes at the expense of the workers. These wealthy owners exploited workers. They had big and profitable companies exploiting the workers.
These workers spend long hours in the fabrics working under unhealthy conditions, with no ventilation and earned low salaries.
Answer:
Because Cuba was afraid the United States might invade again
