How did the spanish american war affect us power in asia

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island. a deadly virus emerges that can pass from human to human. a civil war breaks out in italy. a solar eclipse occurs.

What former head of the cuban secret service was charged with protecting the country's prime minister for nearly 50 years?

What from the columbian exchange had perhaps the biggest impact on the world?