Answer:
Correct answers are A) trade, migration, and war
Explanation:
A is the correct answer as since the beginning of the human kind people have migrated from one area to another, thus shaping the cultural, political and economic characteristics of the same. Of course trade also changes culture because people are gaining new influence through cooperation with others. Of course, the same goes with wars, that are often leading to one country reshaping the image of some other country, thus its culture.
B is not correct as geology affects environment, not culture.
C is not correct as it is similar to B.
D is not correct as people who are isolated are not affected by others and their culture.
