Why did the united states want to get involved in cuba?

Because of the Cuban Missile crisis, Russia (USSR) gave a Cuban dictator Fidel Castro nuclear missiles and the USA was not having it. The missiles were a short ranged ballistic missile that could hit important key states.

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.