What factors promoted the growth of science in the 1500's?

In sparta, boys entered military training at age 14. true or false

What party formed to limit slavery in the west?

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world