The moral majority has declined because it was based in christian values. Now that more and more people are atheist, the idea of deeply rooted morals is lessening. Though this is what America wants, it honestly is not good for the country, as we all know that morals are a very good thing to have, and letting good morals guide a country is a very good thing.
Two factors that limited China's contact with outsiders were natural barriers that separated the main landmass of China from other areas and the comparatively long distances one had to travel to reach main population centers.
Explanation to question:
Western Berlin was democratic but it was surrounded by communist areas and it needed the US’s help to stay protected and safe.
Answer: expansions of labor unions
Explanation: