2. How did the Colombian Exchange lead to international trade?E&C.1.1 a)lt strengthened the Feudal system.
b)It provided new markets for Europeans
c)Colonies discouraged international trade
d)lt strengthened relations with Native Americans.
HELP PLEASE

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

what is the tax base for the sales tax?

it should be (usually ) 6%