The Landrum-Griffin Act of 1959 restricted secondary boycotts, particularly labor union refusal to handle hot cargo[?], unfair union election practices, and picketing when a union was organizing.
... with its impressive Iguaçu[?] falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] rivers.
Situated along the equator, Brazil's climate is ...