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.
The US government made efforts to unite with Cuba and made sure they did not slander them.
( z1 and :op ( z2 try :ARG0 ( z3 government-organization :ARG0-of ( z4 govern :ARG1 ( z5 country :name ( z6 name :op "US" ) ) ) ) :ARG1 ( z7 unite :ARG0 z3 :ARG1 z5 :ARG2 ( z8 country :name ( z9 name :op "Cuba" ) ) ) ) )