Scientific theories said that dark-skinned people were less intelligent than white people and misguided theories justified the passage of laws that kept African Americans from voting.
The British expanded their territory
Sectionalism is the belief that a person's region was superior to other sections of the country. ... All of these issues led to sectionalism in the United States and pushed the country to the brink of war.
Answer:
Market economies are the most efficient economic systems
Explanation:
this is because they have little government intervention, allowing private ownership to determine all buisness decisions based on market factors.
Maybe american indians did?