What are some pros and cons about imperialism in America during the 18th century?

Pros: Spread of modern technology, helped create a global defense network, and increased farm production.

Cons: Forcing changes in terms of cultures and traditions leads to discrimination as the countries were forced to adapt to foreign ideas, encouraged slavery, and it puts local populations at risk for new disease.

The answer is society was a caste like system with poor whites at the bottom of the white social ladder.