Напишите 3 средней-сложности вопроса,6 легких вопросов,и 1 сложный! по теме сша! вопросы на ! мне в школу на поле чудес , вопросы нужны)

How many states are in the USA?
What is the capital of the USA?
Which is the biggest city in the USA?

Alaska is in the north of the USA, isn't it?
Is Florida the warmest state in the USA?
Who is the President of the USA?
Is Texas bodering Mexico?
Does the USA have a common border with Canada?
How many children does Barack Obama have?

When did the Civil War begin and finish in the USA?