Topic 1: Increasing travels between countries enable people to learn different cultures or to increase tension between people from different countries

Apparent 
+ 
attempt,  change,  discomfort,  evidence,  failure,  fear,  harm,  reason, 
success, winner
 
11.
 
Appropriate  + 
action, advice, behaviour, gift, level, measure, place, response, time
 
12.
 
Basic 
+ 
concept, idea, information, necessity, need, requirement, salary, skill
 
13.
 
Broad 
+ 
base,  category,  consensus,  context,  definition,  field,  framework,  issue, 
outline, perspective, policy, question, range, sense, view
 
14.
 
Classic 
+ 
book, clothing, example, film, statement, symptom, work
 
15.
 
Classical 
+ 
architecture,  art,  ballet,  dance,  economist,  education,  liberal,  literature, 
model, music, study, style, times, work, world, writer