Translation of Bündnis

Thanks a lot. Today and tomorrow are holidays in Switzerland, but I'll do it Tuesday first thing in the morning...please have a look at it and confirm. Where do you want me to place a reference?
Indeed, these two are very stronlgy connected. The first is often led by a certain party or representative who represents the interest of the others. It gives them a feeling of togetherness and belonging.
Fortunately the bay we anchored was very calm and the ship did not move at all, or at least one could not feel it. We prepared for dinner and went to the deck, where everybody else was sitting.