Castro's successful visits to Harlem and the Bronx, his speech to the United Nations General Assembly, and the October 21 march of 3,000 against U.S. policy and subsequent picket lines at Cuba's UN mission in defense of the revolution - all these events dealt blows to the U.S. government's unceasing efforts to isolate and slander Cuba.
Castro had a speech but lost it and had to wing it.
Castro gave a speech but we don't know if he lost one and had to wi9ng it so that make it neither.
( z1 contrast :ARG1 ( z2 speak :ARG0 ( z3 person :name ( z4 name :op "Castro" ) ) ) :ARG2 ( z5 and :op ( z6 lose :ARG0 z3 :ARG1 z2 ) :op ( z7 obligate :ARG1 z3 :ARG2 ( z8 wing :ARG0 z3 :ARG1 z2 ) ) ) )