Urban slavery was well developed in Spanish America and Brazil. Slavery took a long time to get removed from these countries. Slavery in Brazil was prevalent in the country long before the Portuguese settlement started around the year 1532. Later on the colonists were also heavily dependent on the slaves.
Answer:
America,China are countries with a high standard of living and a high industrial capacity
Farming was a source of income in the colonies
Answer:
D. It's the most plausible answer, plus I'm studying the Cold War too.