The most important economic effect of the Internal combustion engine was

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.

Why hadn’t europeans used maritime routes before the age of exploration?

Why did the fighting go on after the armistice was signed