The president gets his authority from the US Constitution as interpreted by the Supreme Court. Conducting foreign policy is one of his duties, to be shared with the US Senate.
Benefits for Imperial Powers
President Jefferson used new presidential powers.
Congress and the president.
Military powers, treaties; appointments and temporary appointments
to limit the the President's war-making powers
Resulting Powers derive from the mass of delegated powers or from a group of them. They are an extension of implied powers.
Governments derive their powers from the consent of the governed.
Benefits for Imperial Powers
The people
from providence
The People.
He has the same powers as the US president
The powers of the Vice- President come from the requests of his/her president.
President Jefferson used new presidential powers.
The President
The word 'derive' basically means to trace from a source of origin. According to mathematics, to derive a particular statement is to use or apply logic, which can be done by beginning from the recognized facts. Like an educated guess.
In a unitary system, the central government holds the primary authority, and any administrative divisions (like states or provinces) derive their powers from it. Whether or not a unitary system has a president depends on the specific country's political structure. For example, France, a unitary state, has a president, while the United Kingdom, also unitary, does not have a president but is a constitutional monarchy.