Question

Задать 5 типов вопросов
The united states of America is a presidential republic

Answer 1

Are the United States a presidential republic? (Общий)
What are the United States? (Специальный)
Are the United States a presidential republic, or not? (Альт.)
The United States of America are a presidential republic, aren't they? ( Разделительный)
What's the presidential republic? (Вопрос к подлежащему)