Ответ:
1)The USA is unique nation, rich in its traditions and characteristic habits.
2)Most of the holidays in USA is exclusively american.
3)This is Thanksgiving day, Columbus day, Independence day, Presidential day, Veterans day, Day of Remembrance, Halloween and Valentine's day.
4) In Thanksgiving and Christmas days, americans have truly huge family feasts.
5) At the Independence day american families with pleasure go out and have picnics, barbeque and set up tents.
6) At the Halloween adults and kids love to dress horrible costumes and go to the parties.
7)There are an unique american holiday Groundhog day.
8) If groundhog gets out of his hole in usual day, spring will come early.
9) If no - winter will remain for another 6 weeks.