Which passage from the u. s. constitution reflects the principle of checks and balances?

The correct answer is Every Bill which shall have passed the House of Representatives and the Senate, shall, before it become a Law, be presented to the President of the United States; If he approve he shall sign it, but if not he shall return it. This passage shows that the legislature and executive have different roles

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

but whats the question? ?

explanation: