Теория:

To speak about people in countries, you need the appropriate vocabulary.
 
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Confident - having confidence;

Freedom - the condition or right of being able or allowed to do, say, think, etc. whatever you want to, without being controlled or limited;

Value - the amount of money that can be received for something;

Tough - strong and determined;

Self-reliance - the ability to depend on yourself or your own abilities;

Trait - a particular characteristic that can produce a particular type of behaviour;

Solution - the answer to a problem;

Wealth - a large amount of money or valuable possessions that someone has;

Persistent - lasting for a long time or difficult to get rid of;

Common - the same in a lot of places or for a lot of people;

To contribute - to help to cause an event or situation;

Open-hearted - kind, loving, and honest;

Straightforward - easy to understand or simple;

Cheerful - happy and positive;

Relaxed - feeling happy and comfortable because nothing is worrying you.
 
Examples:

Wales are supremely confident of winning the match.

Property values have fallen since the plans for the airport were published.

After some tough bargaining, we finally agreed on a deal.

Arrogance is a very unattractive personality/character trait.
Источники:
www.dailyspeculations.com