I'm not sure but I think it's coal mining
The correct answer for this question is "A. Clashing religious and cultural values in Greece."
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A major cause of the Peloponnesian War is that of </span><span>Clashing religious and cultural values in Greece. It created a big tension inside the nation of Greece. </span>
North gets:
California admitted as a free state
Slave trade prohibited in Washington D.C
Texas loses boundary dispute with New Mexico
South gets:
No slavery restrictions in Utah or New Mexico territories
Slave holding permitted in Washington D.C
Texas gets $10 million
Fugitive Slave Law
The US prohibit oil and other materials such as coal and steel to Japan and by this they decide to weaken the Navy.