Answer:
O: Transcontinental Railroads
Explanation:
I remember reading about it in history class
I would think D? I really am not sure
Answer:
B) The GDP will increase because Nigeria will be able to produce more oil
Explanation:
The introduction of a new technology would result in an increase in the volume of crude oil being produced by the nation. This in turn will improve the net exports of the government which would increase the gross domestic product of the country.
Gross domestic product is the total market value of the goods and services produced by a country within a specified period. It is calculated by summing up consumption, investment, government spending, and net exports.
here these screen shots of this artical may help. I couldnt type it because it was to much and i was only gien 4 mineutes. So i screen shot the pages for you. Hope they help. i think they are backwards by the way.