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

Diverse 
+ 
background, community, culture, need, population, society, source 
38.
 
Domestic 
+ 
affair, animal, chore, economy, industry, market, task, use, violence, work 
39.
 
Dominant 
+ 
class, culture, factor, feature, idea, ideology, issue, player, role, theme 
40.
 
Dramatic 
+ 
change,  decline,  drop,  event,  fall,  growth,  improvement,  increase, 
reduction, reversal, rise, shift, turn 
41.
 
Dynamic
 
+ 
aspect, element, environment, leadership, nature, people, relationship 
42.
 
Economic
 
+ 
activity, aid, benefit, boom, climate, collapse, crisis, decline, depression, 
development,  downturn,  environment,  factor,  growth,  history,  impact, 
incentive,  issue,  life,  miracle,  performance,  policy,  power,  problem, 
progress, prosperity, recession, recovery, reform, situation, strategy, tie, 
trend