Answer:
Classic feudalism
Explanation:
In broad terms a lord was a noble who held land, a vassal was a person who was granted possession of the land by the lord, and the land was known as a fief. In exchange for the use of the fief and protection by the lord, the vassal would provide some sort of service to the lord.
Compass helps sailors know the direction they need to go so they won’t get lost
The Indian rebellion of 1857 had a diverse political, economic , military, religious and social causes. the spark that led to a mutiny in several Sepoy companies was the issue of gun powder
C. Convoys
Convoys are a group of ships or vehicles traveling together, typically accompanied by armed troops, warships, or other vehicles for protection, which allowed American soldiers to be less susceptible to attacks.