simply current is a form of energy
Answer:
Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence. This led to massive immigration in the second half of the 19th century, as mostly Europeans came here seeking to finally have their own land.
It also added vast resources to the United States, both in terms of potential agricultural production and things like gold, silver and timber.
It stimulated the construction of the Transcontinental Railroad, and added new states to the country.
It further aggravated the divide between north and south, and accelerated the onset of the Civil War.
Explanation:
Según la ONU Qué lugar ocupa México en rl crecimiento económica
The best answer in my opinion is B. similar border laws because the border between america and canada has been shared for over 200 years and it is known as the international boundary. I would think this is the logical answer out of the choices given. If I am wrong I apologize let me know.
I think the answer is D but i could be wrong