Where "U" are Needed...!

Where "U" are Needed...
"U" are needed in Bible ST_DY, but not in IGNORANCE.
"U" are needed in S_PPORT, but not in NEGLECT.
"U" are needed in _NITY, but not in DIVISION.
"U" are needed in D_TY, but not in IRRESPONSIBILITY.
"U" are needed in B_ILDING, but not in TEARING DOWN.
"U" are needed in CH_RCH!!