1) The role of the media in politics is to provide information, analysis, and scrutiny of government actions, policies, and public affairs, serving as a watchdog and facilitating public discourse and transparency.

2) The book series "The Chronicles of Narnia" by C.S. Lewis has sold over 100 million copies worldwide.

3) The national animal of Canada is the beaver.

4) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.