Answer:
B
Explanation:
In the feudal system Knights worked for Nobels, who worked for the King. So Knights were below them but still above Merchants and Peasants. Knights were often equals to vassals.
Answer:
A D C
Explanation:
A The Vietnam war costed 58K lives not counting those who got turned into a living vegetable. :/
C Women were fighting for equal pay so the equal pay act was signed in 1963 (I am not very educated in this certain subject)
D Blacks were discriminated systematically and socially the civil rights act of 1964 and voting rights act of 1965 were signed into effect to dismantle systematic racism Social and systematic racism occurs to this day. One example of current systematic racism would be gerrymandering against Hispanic or black communities.
Goverment or monarchism can be some caste
Disease is the answer I believe... If not than it is death by war or massacre