Answer:
B. within a country's borders by citizens and by nonminuscitizens minus the production abroad by the country's citizens
Explanation:
To justify the answer, I make a quotation from the bank of the republic of Colombia web page that provided the definition of GDP "The GDP is the total of goods and services produced in a country during a given period of time. it includes the production generated by nationals resident in the country and by foreigners resident in the country, and excludes the production of nationals resident abroad" the previous definition is exactly how GDP works.
Answer:
The Silk Road was a vast trade network connecting Eurasia and North Africa via land and sea routes. ... Advances in technology and increased political stability caused an increase in trade. The opening of more trade routes caused travelers to exchange many things: animals, spices, ideas, and diseases
Explanation:
The answer to 8 is D.
Plows uses oxen to be able to properly perform, while neither A, B, nor C was required to use plows.