The Teller Amendment is the correct answer.
After the end of the Spanish-American War, Senator Henry Teller of Colorado introduced the Teller Amendment in 1898, that the United States conquered Cuba until 1902, and did not violate the Teller Amendment to annex the Island. And the U.S. would help Cuba to gain independence and then withdraw all its troops from the country. This amendment was a part of President Mckinley's to resolve the issues between U.S and Spain. The United States promised to allow Cuba to be administered by its people, after assisting them to gain some stability and smooth over the dispute with Spain.
Native peoples of America had no immunity to the diseases that European explorers and colonists brought with them. Diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to American Indians. Europeans were used to these diseases, but Indian people had no resistance to them.
2. Constantinople's (now Istanbul) central location along trading routes made it a cultural center for learning and the arts.
The correct answer is notation or musical notation.
Musical notation is a way of having to write down music in a
way of allowing one to play it and that systems are used and associated by in
in order to use it in writing music.