I believe d. be in something easy to carry.
Answer:
Generalization
Explanation:
Ella is teaching her parrot a new word. Every time the parrot says a sound that is close to the new word, she gives it a treat. But the parrot keeps repeating other words it has learned in the past, trying to get a treat that way. The parrot is exhibiting generalization.
The difference was that serfs were required to work for their lord and give him food for exchange of protection when war times appeared. Peasants, on the other hand, had no obligation to do so, they were just people who were agricultural workers and were growing crops.
Withdrawing: The act of putting money inside some kind of storage to save it.
