Excused Performance In case performance of any terms or provisions hereof shall be delayed or prevented because of compliance with any law, decree or order of any governmental agency or authority, whether the same shall be of Local, State or Federal origin, or because of riots, war, public disturbances, strikes, lockouts, differences with workmen, fires, floods, acts of God or any other reason whatsoever which is not within the control of the party whose performance is interfered with and which, by the exercise of reasonable diligence, said party is unable to prevent, the party so suffering may, at its option, suspend, without liability, the performance of its obligations hereunder during the period of such suspension of performance of duties hereunder.