Помогите дам 23 б. Ответить на 10, 11 и 12 вопросы

10 Yes , it did.
The olive branch is a symbol of peace or victory . The arrows are a symbol of strength. You can see the eagle on the back of a dollar bill.
11 On July 4 the Americans celebrate their national holiday Independence Day.
12 Yes, it is. Washington D.C. is the capital of the USA.
The letters D. C. in the name of Washington mean " the District of Columbia".
As Washington is the capital of the country, it's not in any state in the United States. The city  is bordered by the state of Maryland to the north and Virginia to the south.
Washington D.C. is not in a state  but in the District of Columbia.