<span>Trigonometry (from Greek trigōnon, "triangle" and metron, "measure") is a branch of mathematics that studies relationships involving lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies
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Answer:
having a central government
Explanation:
th4 ablility to tax and spend through a centralized government
D- Dorthea Dix is the answer, she did not try to make prisons better, she tried to get more rights for the mentally ill.
Those amendments address slavery, citizenship and voting rights.