What city did they find and how did the aztec increase their power in the region?

Aztec rulers increased the power of their society by forming strong alliances with other societies around Lake Texcoco.

They found Tenochtitlan.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;