Kohl participated in the late stage of WWII as a teenage soldier. He joined the Christian-Democratic Union (CDU) in 1947.
joined the Christian-Democratic Union (CDU) in 1947, and in 1948, bought a puppy. 
( z1 and :op ( z2 join :ARG1 ( z3 political-party :name ( z4 name :op "Christian-Democratic" :op "Union" ) ) :time ( z5 date-entity :year 1947 ) ) :op ( z6 buy :ARG1 ( z7 puppy ) :time ( z8 date-entity :year 1948 ) ) )