The main issue that divided colonial society in South Carolina during the 1700s was that of slavery and indentured servitude. Some people thought that it was unfair for whites, having to "compete" for labor positions.
Hitler signed a non-aggression pact with Russia's leader, Joseph Stalin. Even though they promised not to attack each other, Hitler later invaded Russia.
From all the aforementioned, significant periods in Chinese history were marked by the: Shang, Qing and Xia. The answer to your question us 1, 4 and 5. I hope that this is the answer that you were looking for and it has helped you.
B. The fight for rights helped create more easy access places for people with disabilities, hence why we have elevators, handicapped parking, etc