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

 
167.
 
Undertake
 
+ 
action,  analysis,  development,  duty,  exercise,  initiative,  investigation, 
operation,  programme,  project,  research,  responsibility,  study,  survey, 
task, training
 
168.
 
Utilise
 
+ 
assistance, power, resource, service, talent, time
 
169.
 
Win
 
+ 
battle,  championship,  competition,  contest,  contract,  heart,  majority, 
match, prize, race, scholarship, support, title, tournament
 
170.
 
Withdraw 
+ 
candidacy, cash, decision, money, service, support
 

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134 
Adjective 
1.
 
Abstract
 
+ 
art, concept, idea, painting, principle, theory, thought, work 
2.
 
Abundant
 
+ 
evidence, flower, supply, wildlife 
3.
 
Accurate
 
+ 
description, information, method, prediction, representation