Jim Mattis is a retired American Marine Corps general and served as the Defense Secretary from January 2017 to January 2019. He avowed the commitment of US to defending South Korea and was a known opponent of China and Russia. He was also known to disagree with certain policies of the Trump administration which finally led to his departure.
Al Gore was the Vice President of America from 1993 to 2001. He was also the Democratic Party’s candidate for the 2000 Presidential elections, but eventually lost to his Republican opponent George Bush. He is an environmentalist and a climate change activist. He won the Nobel Peace Prize in 2007, jointly with Intergovernmental Panel on Climate Change, for his work.