In your first informal exchange with your Polish business partner your counterpart gives you some details on his or her personal life. This happens because he or she:
Wants to establish a solid basis trust for your business relationship.
Is expecting you do the same.
In long term she or he hopes to become a close colleague.
All of these answers.
If you start to shake hands with a group of people in Poland:
It is enough to shake a few hands symbolically.
You should shake everybody's hand.
Shake hands only with the senior people.
Poles can be superstitious and may see some behaviors as bringing bad luck. Which of these you should avoid as it is see to bring misfortune?
Shaking hands in the doorway.
Kissing the hand of an unmarried woman.
Wearing a black tie or a black dress at a wedding party.
Taking care of a private matter during the work time as well as talking on the phone during meetings will offend your Polish colleagues.
While on assignment in Poland, you are invited to a client's home for dinner. You should bring the hostess:
A dozen red roses.
A mixed bouquet containing an uneven number of flowers.
A bouquet of lilies.