6. Not all countries with aging populations resort to immigration to offset economic problems. An example is:
A. Germany.
B. Japan.
C. USA.
D. Norway

the han greatly expands the chinese empire. the han dynasty retains the centralized bureaucracy and unified political system of the qin but adopts and grafts upon this the confucian view that government should be run by educated, ethical men.

explanation:

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.

is there even a question here? you seem to have the answer and there is no quote to look at.