How did mining techniques lead to environmental problems?

Which statement does not accurately describe the columbian exchange and its consequences? a. wheat became a major crop in north america where it had never existed before. b. millions of africans were kidnapped into slavery to provide labor for profitable crops. c. cattle, sheep, chickens, and pigs were brought to europe for the first time. d. spanish conquistadors brought diseases with them and native peoples begin dying.

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Why did some people support supply-side economics and others opposed it? it addressed the supply of goods and ignore demand. it called for large tax cuts for the wealthy. forigen production played a significant role in the plan. the program called for increased government spending.