the political, military, and social system in the Middle Ages, based on the holding of lands in fief or fee and on the resulting relations between lord and vassal.
Answer:option c Platt amendment.
Explanation:
Platt amendment was actually a treaty made between US and Cuba so as to protect the Independence of Cuba from foreign country intervention. This amendment made between both country allows the United States to be actively and fully involved in all affairs of Cuba, both international and domestic issues. The treaty contains all the relationship between US and Cuba which was stated clearly and back up by law. Due to Cuba then recent Independence for span, because they were afraid of another foreign country controlling them, they agreed to making this treaty with United States because they really wanted their Independence.
C is the answer because the teachings of Hinduism where spread throughout the east and south trading routes