Answer:
FORMAL POWERS
Power to convene the congress
Power to sign or veto legislation
Power to command the armed forces.
INFORMAL POWERS
Power to conduct foreign policy initiatives
Power to give executive orders
WHEN ARE THEY MORE LIKELY TO BE SUCCESSFUL
In the case of urgent requirement or threats to the sovereignty of the nation.
In the case of bilateral trade agreements and relationship
In the case of high level of threat especially from external sources
Explanation: Power is the ability to act or have influence over the decisions and Activities of others.
Power can be classified as formal(powers that are categorically stated in the constitution) such as the power to send the Armed forces on missions, the power to veto legislations etc
POWER CAN ALSO BE INFORMAL ESPECIALLY WHEN NOT CATEGORICALLY STATED IN THE CONSTITUTION SUCH AS THE POWER TO ENACT EXECUTIVE ORDERS, TO CONDUCT FOREIGN POLICY INITIATIVES.
These powers are most likely to be successful in the case of the following
(1) In matters of urgent national importance
(2) In situations if high security threats
(3) In the case of bilateral trade agreements etc