Which statement accurately describes an important effect of the columbian exchange on europe?

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws. b. democratic governments have the responsibility to protect humanrights. c. criminals must be punished harshly if a society is to maintainorder. d. written constitutions place unnecessary restrictions ongovernments' powers.

To encourage railroad companies to build railroads across the west, the government gave them subsidies by select the best answer from the choices provided. a. paying the wages of laborers b. giving them building materials c. providing railroad trains d. providing free land