“An inevitable development of conditions inside Czechoslovakia or other political events in Europe creating a surprisingly favorable opportunity and one which may never come again may cause me to take early action.
“The proper choice and determined and full utilization of a favorable moment is the surest guarantee of success. Accordingly the preparations are to be made at once.
“2. Political Possibilities for the Commencement of the Action.
“The following are necessary prerequisites for the intended invasion:
“a.
suitable obvious cause and, with it
“b.
sufficient political justification,
“c.
action unexpected by the enemy, which will find him prepared to the least possible degree.