The fundamental economic problem that all individuals and societies face is?

As a result of the columbian exchange, which crop was transferred to europe from the americas and later spread through the world? a coffee b maize (corn) c rice d olives e wheat

Before the invention of the loom in 1785, textile manufacturing was: a) regulated under the guild system. b) performed by children working in factories. c) produced in rural cottages under a putting-out system. d) conducted by british colonists overseas.

The 15th amendment to the u.s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech