Generally speaking, industrialization greatly reduced social inequality by creating a "middle class" of people, who were able to significantly increase their incomes due to the large number of jobs available in factories.
Answer:
"Greeks created settlements along the Aegean coast of Ionia (or Asia Minor) from the 8th century BCE. Important colonies included Miletos, Ephesos, Smyrna, and Halikarnassos. Athens traditionally claimed to be the first colonizer in the region which was also of great interest to the Lydians and Persians."By google
Slavery is what separated the north and the south. Its what caused the civil war. the north wanted to abolish slavery but the south needed it.
D. Obama became more popular later on in his presidency.