Choi again became President in 1965 , but was forced to resign after a year , reportedly due to his unpopular authoritarian leadership style .
Choi headed a demonstration tour of 18 countries in 1965 ; this was one of many demonstration missions that eventually covered every continent .
Choi again became President in 1965 , but was forced to resign after a year , reportedly due to Choi 's unpopular authoritarian leadership style .
Choi headed a demonstration tour of 18 countries in 1965 ; this was one of many demonstration missions that eventually covered every continent .