hi folk's i am stuck on few, all help is appreciated. thanks
16a. UPPERMOST POINT. P?A?
41A. UNION OF THOSE OF DIFFERENT BACKGROUNDS. ???E? ??R?I?G?
51A. INSTALL( A MONARCH). E?T?????
67A. MASS ARRIVAL OR FLOOD. ????U?
68A. LUMP (OF BUTTER). ?N?B
71A. EAGERNESS, ENTHUSIASM. F?R????
72A. NOTE FOR FUTURE REFERENCE. E???A?K