Answer:
Tribute was extremely important to the Aztecs for three reasons. First, it kept their capital and the people around alive. Because the population was so big and based upon the fact that the capital was on an island in the middle of a lake, the surrounding ground could not support the people. However, tribute could and did. Secondly, the Aztec empire extraction of tribute kept the conquered cities under control. In a way, it limited their economies and kept them lower than the capital and that was good. Finally, tribute and the threat of retalitation by the military was enough to keep the conquered under control but still allow them to keep their traditions and government mostly intact. This promoted peace and obedience to the Aztec empire.
Explanation:
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Answer:
They had no goods to trade
Answer
4 and 5
Explanation
A constant term in an expression is a term that does is independent of any variables. This means that constant term will have non of the variables 
attached to them. In the expression 
we notice that the terms integers 4 and 5 are the only terms that are not coefficients of any of the variables in the expression.
Answer:
No, while Arabs have made important contributions to Western Culture, their contributions have not been the most important. The most important contributions to western culture come from the Ancient Classical World: Ancient Greece and Ancient Rome, and from European contributions of the Middle Ages and the Modern Era.
