26. Of all the kinds of life exchanged when the Old and New Worlds met, which of the following had the greatest impact?
(Points : 3)
domesticated animals
new crops
religion
germs and disease


Question 27.27. What is a free trade area?
(Points : 3)
a group of countries that share similar political and economic beliefs
a group of countries that have agreed to eliminate tariffs and trade barriers
a group of countries that believe their borders should be open and free
a group of countries that produce the same goods and services