After the US intervention in the Cuban War of Independence, Cuba became a free country. However, the United States had a strong influence on the internal and external issues of this country. The Platt Amendment was created in line with the above.
Based on this document, the US government has had a significant influence on Cuba's internal and external issues. Therefore, if the agreement were to be accomplished, the principles of this amendment would be violated. However, with the advent of Roosevelt in 1932, this amendment was repealed.
Confucianism used the Chinese silk trade to spread and Buddhism used the Indian spice trade to spread, include things such as the silk road in your written answer.