QUESTION: Fix punctuation: For further details please contact the Bank of England directly
ANS: For further details, please contact the Bank of England directly.

QUESTION: Fix punctuation: Sentenced to life imprisonment in Italy for counterfeiting he arrived in Valais at the age of 20 where he continued along this criminal pathway
ANS: Sentenced to life imprisonment in Italy for counterfeiting, he arrived in Valais at the age of 20 where he continued along this criminal pathway.

QUESTION: Fix punctuation: All artists are present throughout the event and the arttechnology and body experiments constantly evolving
ANS: All artists are present throughout the event, and the art/technology and body experiments constantly evolving!"

QUESTION: Fix punctuation: Under the command of Mao Zedong the Red Army defeated four campaigns sent by Chiang Kaishek to eradicate the communist movement
ANS:
Under the command of Mao Zedong the Red Army defeated four campaigns sent by Chiang Kai-shek to eradicate the communist movement.