A same meaning or not problem:
At the time , Meacham was president , and his administration learned that Andrew Johnson did not support him .
At that time , Meacham was president , and his administration learned that Andrew Johnson did not support him .
****
[A]: yes

A same meaning or not problem:
The Apostolic Prefecture of Qiqihar ( or Tsitsikar ) is a missionary jurisdiction of the Latin Church in the PR China .
The Apostolic Prefecture of PR China ( or Tsitsikar ) is a Latin Church missionary jurisdiction in Qiqihar .
****
[A]: no

A same meaning or not problem:
Plymouth is located on the Roanoke River about seven miles ( 11 km ) upriver from its mouth into the Albemarle Sound in North Carolina 's Inner Banks region .
Plymouth is situated on Albemarle Sound about seven miles ( 11 km ) upstream from its mouth into the Roanoke River in the North Carolina Inner Banks region .
****
[A]: no

A same meaning or not problem:
The situation is complicated when Bob 's Chief Stellan ( Matthew Lillard ) falls in love with Cathy .
The situation is complicated when Stellan 's boss Bob ( Matthew Lillard ) falls in love with Cathy .
****
[A]:
no