When young people migrate from a rural area which probably already is suffering from a low birthrate, this effectively eventually can create a "lack of life" in a certain place where after a decade or a few decades, a certain rural area can actually die out due to not enough young people being there anymore.
Answer:D) One-third of Mexico was ceded to the United States, extending United States territory all the way to the Pacific Ocean.
The now U.S. was controled by the English.
The leaders of europe got together and changed the borders of various countries in hope of creating a large number of countries with relatively similar levels of power
