Answer:
Chemical composition
Explanation:
Minerals are usually classified according to their chemical composition. The chemical composition of a mineral is usually identified through the use of a mass spectrometer. However, to some extent, minerals are also classified according to their physical properties, such as color, shape and sharpness. This is a method that is much more simple and requires less money and time.
Answer:
Example of Civil Rights: Black Suffrage
Example of Women's Rights: Legal Abortion, Roe v. Wade case
LGBTIQ+ Rights: Marriage Equality
Explanation:
Black Suffrage was obtained after the Civil War: in many countries the right to vote was obtained with independence, but in USA black men had to wait until the end of the Civil War to obtain this right.
In 1973 the Supreme Court ruled that the Constitution of the United States would protect a pregnant woman's liberty to choose to have an abortion without excessive government restriction, thus recognising the woman's right to freely choose.
Same-sex marriage in the United States expanded from one state in 2004 to all fifty states in 2015.
This three examples are rights that were denied to minorities, and through social activism were finally acquired.
Answer: "contiguity" .
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Southern states had slaves and Northern States was more about the industrial items. And even though northern states had less slaves they both had slaves. Richer soil in southern states allowed cropping which had to be farmed by slaves, weaker not good soil caused northern to use machines in others stuff so slaves where not need as much.
