Answer you're looking for is A. Disease epidemics during peacetime have resulted in more deaths than history's major wars
Answer:
Of all Spanish colonial possessions in the Americas, Puerto Rico is the only territory that never gained its independence. After four centuries of Spanish colonial rule, the period between 1860 and 1898 witnessed a pro-independence rebellion, colonial reform, the establishment of the first national political parties, the abolition of slavery, and a short-lived experiment in autonomy under Spanish rule.