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.
Efforts to slander Cuba have not always been straight forward for America. A certain leader may of had something to do with this.
Efforts to slander Cuba by the U.S. (America) were dealt blows, making it not 'straight forward'. A certain leader's (Castro's) activities, as listed, caused this.
( z1 multi-sentence :snt ( z2 straightforward :polarity - :domain ( z3 effort :ARG0 ( z4 country :name ( z5 name :op "America" ) ) :ARG1 ( z6 slander :ARG0 z4 :ARG1 ( z7 country :name ( z8 name :op "Cuba" ) ) ) ) :time ( z9 always ) ) :snt ( z10 possible :ARG1 ( z11 have-to-do-with :ARG0 ( z12 person :ARG0-of ( z13 lead ) :mod ( z14 certain ) ) :ARG1 ( z15 this ) :ARG2 ( z16 something ) ) ) )