It has lowered the life-expectancy of the working class, and has made the people dependent on the mines for their living.
It made it harder for the countries to achieve unity.
One example for this is the separate existence of Chile and Argentina - they are separate counties, because they are separated by the Andes.
Generally, natural borders, such as rivers and jungles made the political unity harder.
Answer:
B) foot-in-the-door
Explanation:
Foot-in-the-door technique: In psychology, the foot-in-the-door techniques is referred to as a technique in which an individual agrees to the person for a smaller request to convince the same person with a big request later on.
Example: I<em>n the question above, a person has been asked for some charity amount and the person helped with $5, then the next time after a month the person receives another request for the charity amount of $10, along with numerous other charities to contribute to. Hence, in this scenario, the person is facing or may be considered as a victim of the foot-in-the-door technique.</em>
