The significance of the crisis with Cuba is A) the US announced the formation of the Alliance for Progress
B) it is the closest the U. S. and Soviet Union came to nuclear war
C) the U. S. proved the strength of containment
D). Fidel Castro was removed from power

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.