Question: Streamlining the Cities was issued by the government of what British stateswoman who was Prime Minister of the United Kingdom from 1979 to 1990?
Sentence (from "Prime Minister of Northern Ireland"): No such office was provided for in the Government of Ireland Act 1920, however the Lord Lieutenant, as with Governors-General in other Westminster Systems such as in Canada, chose to appoint someone to head the executive even though no such post existed in statute law.
Relevant evidence: No