True!! I believe it is true, it should be
d) It allowed popular sovereignty to decide the slavery issue
Answer:
He could seek training to become a knight in the military.
Explanation:
In a feudal or medieval hierarchy, primogeniture is a system of inheritance in which the first-born son prevails in rights. So, the second-born couldn't work on developing his share of his father's land neither he would hope to inherit property from his father. Finally, there were no trade schools in the Middle Ages.