What factors indicate that the aztec had an advanced civilization?

What is walt whitman's poem "when i heard the learn'd astronomer about?

Which of these accomplishments is most closely associated with andrew young? question 9 options: becoming the first african american mayor of atlanta building an international terminal at atlanta's major airport securing atlanta as the host city for the summer olympics in 1996 enforcing non-discriminatory voting policies in atlanta and the suburbs

How does the balance of trade look different in the us today vs hot it looked in the 70's