Public sentiment in the United States grew increasingly in favor of Cuban independence for the following two reasons: "U. S. gained power in the Caribbean" and "<span> U.S. newspaper stories on Spanish injustices"</span>
increased trade and cooperation with the US
Biological warfare, also known as germ warfare, is the use of biological toxins or infectious agents such as bacteria, viruses, insects, and fungi with the intent to kill, harm or incapacitate humans, animals or plants as an act of war.
The answer is A!
Explanation: This system separated them into groups of ranked categories.
People that have higher castes have a higher status and vice versa :)