I think its the Perpetration of the gifts... im not sure
The native Americans already had the first 3 items. The British brought horses to the new world and the native Americans used them a good bit Civil War and after.
Answer: exosystem
Explanation: In ecological system theory, exosystem contains environmental elements that have a profound influence on a child's development, even though that child is not directly involved with them.
Socialism as a political movement evolved in public owner ship.