______ country gifted Imphal Peace Museum to mark the 75th anniversary of the Battle of Imphal at Maibam Lokpa Ching, Manipur?

1) Bangladesh
2) Vietnam
3) China
4) Japan

Explanation:
On June 22, 2019, Japan gifted Imphal Peace Museum to Manipur to mark the 75th anniversary of the Battle of Imphal, one of the fiercest battles of the Second World War, at Maibam Lokpa Ching popularly known as Red Hill (about 20 km southwest of Imphal). The inauguration was attended by Manipur Revenue minister Karam Shyam, Japanese Ambassador to India Kenji Hiramatsu, High Commissioner of United Kingdom Dominic Asquith and TNF Chairman Yohei Sasakawa among others.