E. In feudal castles there were 7 means of defense against invaders, name and describe 3 of these. F. What was the primary role of knights in feudal Europe? What were four steps in becoming a knight?

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Explanation:

john locke studied medicine and he laid a lot of groundwork for the enlightenment he also contibutied to the development of liberalism

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.