1) Japan
2) China
3) United States
4) Russia
Explanation:
On 29th November 2019, Yasuhiro Nakasone former Prime Minister of Japan died at 101 in Tokyo, Japan. Yasuhiro Nakasone is from Takasaki, Japan, well known for his friendship with Ronald Reagan former president of the United States (US) their friendship was widely called the ‘Ron and Yasu’ friendship.