Answer: The Constitution states that the executive power shall be vested in a President.
Step-by-step explanation:
A constitution refers to set of written rules and principles which state the powers and duties of the government and guarantee certain rights to the citizens. It specifies how a nation should be governed, distribution of power and so on. It states that the executive power shall be vested in a president of a nation.
A president of a nation is an elected head of a republican state.
Executive power refers to exercise of authority to give order and ensure that it is carried out as expected.