Respuesta :
The options in the question that tells us that the to be a knight was a long and difficult process are: sentences 2 and 5.
Who is a knight?
This is the name that was used to describe the soldiers back in the age of monarchy that had to protect the Lords an d the society.
The question shows us the difficulty that is involved in the process in these two ways.
First it is a long process because A boy trained from the age of eight to the age of twenty-one to become a knight.
Secondly it is difficult because Knights had to learn to ride while defending themselves with one hand and wielding a weapon with the other.
Read more on knights here:
https://brainly.com/question/16311195
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