Sub fields focus more on traditional breakdowns of studies
Answer: The Mexican Cession
Explanation: If we are measuring this impact by land area, the mexican cession definitely had the biggest impact, since it was the first land acquisition that connected the US to the Pacific and truly accomplished manifest destiny.
A non civic issue is an issue that is not able to be solved publicly by a city or state
Answer:
Correct answer is:
B. Immigration to a new country
C. Economic advances or setbacks
Explanation:
Option A is not correct as the deep-seated religious practices are not allowing big changes in the society, as it usually remains closed.
B is correct as immigrants are often bringing their customs, beliefs and therefore are changing cultural patterns.
C is also correct as economical changes are important factor when it comes to the changes in the cultural patterns, as are allowing or disallowing them.
D is not as lack of technology is slowing down the societies.
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Answer: event horizon </h2><h2>
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The event horizon is the <u>surface of a black hole</u>, it is the border of space-time in which the events on one side of it can not affect an observer on the other side.
That is, at this border also called "point of no return", nothing can escape (not even light) and no event that occurs within it can be seen from outside.
In this sense, on April, 10th 2019 this was demonstrated with the publication of the image, for the first time, of the event horizon of the black hole (which appeared as an orange glow ) in the M87 galaxy. This is the first time in human history a picture of a black hole is taken.