In 1519 the aztecs invaded mexico. Hope it helps!!
Answer:
I'm pretty sure it's B but sorry if it is not correct
Scientists have developed a synthetic substance that can "<span>A.grow artificial limbs," although the science behind such a development is still very lacking. </span>
Answer:
Baltimore, Boston, Brooklyn, Chicago, Cincinnati, Cleveland, Detroit, Manhattan, Philadelphia, Pittsburgh, and St. Louis
Explanation: