Why was Cuba a problem for the United States? Your

There were too many Cuban immigrants entering the United States.

The country had ties with the Soviet Union and was only 90 miles away from the United States.

Cuba would not allow the United States to trade imports and exports with them

The United States wanted to gain access to Cuba to fight against the Soviet Union.

When Fidel Castro seized power in 1959, the United States did not initially view Cuba as a security threat. ... Cuba's alliance with the Soviet Union was the main reason the United States viewed Castro as a security threat–a fear that was arguably vindicated during the Cuban Missile Crisis of 1962.

Explanation:

b. the 200th birthday of the united states

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.