Прошу ответьте на воросы1)What city is the capital of the USA?2)

Прошу ответьте на воросы
1)What city is the capital of the USA?
2) Where is Washington situated?
3) Who was the first President of the USA?
4) Is Washington the largest city in the USA?
5) What is the population of Washington?
6) Where is the Presidents residence?
7) When was the White House built?
8) What is the author of the Declaration of Independence?
9) Which document gave Freedom to Negro slaves in America?