The factors which lead to the rise of feudalism was the fact that people couldn't protect themselves and needed land where they could be safe considering the fact that a single peasant didn't have enough capabilities to defend himself. This lead to the fact that these peasants had to give food and goods to their lord with his army.
Some slave owners still used slaves, but after it was abolished they used rhinos to dig up crops with there horns.
Answer:
He halted shipments to Britain.
Explanation:
