A same meaning or not problem:
Further work in this area aimed at generating milder reaction conditions and developing more robust yields .
Further work in this area was aimed at generating milder reaction conditions and developing more robust yields .
****
[A]: yes

A same meaning or not problem:
Goldman Sachs sold the company to Silverlake Partners for US $ 800 million in 2006 .
Goldman Sachs sold the company to Silverlake Partners in 2006 for $ 800 million .
****
[A]: yes

A same meaning or not problem:
On September 15 , 2015 , Johnson signed with Polish team SCM CSU Craiova . On July 17 , 2016 , Johnson signed with Romanian team Stal Ostrow Wielkopolski .
On 15 September 2015 , Johnson signed with the Romanian team SCM CSU Craiova , Johnson signed with the Polish team Stal Ostrow Wielkopolski on 17 July 2016 .
****
[A]: no

A same meaning or not problem:
Crocker moved from Natchez , Mississippi to Vidalia , the headquarters of the Concordia Parish , and crossed the lower Ouachita in the Black River section .
Crocker crossed from Natchez , Mississippi , to Vidalia , the seat of Concordia Parish , and moved in the direction of the lower Ouachita in the Black River section .
****
[A]:
yes