In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The first and decisive step (1)/ in the expansion of Europe overseas (2)/ was the conquest of Atlantic Ocean. (3)/ No error (4)
Who has recently been appointed as the Chief of New Development Bank of BRICS country, has also served as the chairman of Infosys Ltd, and was non-Executive chairman of ICICI Bank in the past?