The constant warfare between the independent Sumerian kingdoms . A.
weakened them all
B.
strengthened their armies
C.
created permanent alliances
D.
resulted in the spread of disease

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.

the answer is d because for c the actors can't love acting for the other's audience their not even in the same show, it can't be b either because the question is talking about the actors not the audience, and it can't be a because   it's not specific enough

i dont know sorry, pay attention in class or use

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e