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

Objective + broad, clear, economic, environmental, key, main, major, national, overall, primary, prime, principal, stated, ultimate

Occasion + different, formal, odd, other, particular, rare, separate, social, special

Opportunity + ample, economic, educational, equal, golden, ideal, rare, unique

Outcome + educational, eventual, final, likely, logical, positive, possible, satisfactory, social, successful, ultimate

Parent + biological, elderly, foster, lone, loving, prospective, single, over-tired, working

People + American, British, business, disabled, elderly, like-minded, local, old, young