Japanese Prime Minister Shinzo Abe and US President Donald Trump agreed to work together to raise pressure on North Korea, Yasutoshi Nishimura, a deputy chief cabinet secretary, said on Monday.Abe and Trump spoke by telephone after the Japanese premier's ruling coalition scored a big win in an election on Sunday.Nishimura told reporters that Abe and Trump were planning to play golf together on Nov. 5, when Trump makes his first visit to Japan.