I can confirm that the Canada-Japan relationship, as well as the multilateral relationship that organization has with Asia-Pacific countries, has served Canada well in encouraging other countries to follow the Canadian example of signing the convention banning anti-personnel mines, which took place in December of last year.
Canada-Japan relationship has weakened relations with Brazil.
Canada-Japan relationship may or may not have effected relations with Brazil. Only Asia-Pacific countries were specifically mentioned.
( z1 weaken :ARG0 ( z2 relation :ARG0 ( z3 country :name ( z4 name :op "Canada" ) ) :ARG2 ( z5 country :name ( z6 name :op "Japan" ) ) ) :ARG1 ( z7 relation :ARG0 z3 :ARG2 ( z8 country :name ( z9 name :op "Brazil" ) ) ) )