This was because the rich owners of the factories and other places of work has a lot of sway in the government, while the people whom they hired were often very young (child labor was completely unregulated) and virtually none of the workers had an education. This coupled with harsh punishments for disobedience and failing to meet quota meant many lived in fear of their superiors. All of these factors came together to result in few wanting to try and rest out of fear of harsh punishment or simply getting replaced by one of the thousands of desperate people looking for work, that and with nobody knowing how to read or write rallies were difficult to pull together without passing through word of mouth, if you've ever played telephone then you know how reliable that is. There's the shortest answer I could come up with. I hope this helps.
It would be A because the Antebellum period is the period which created conditions for the Civil war therefore there was still slavery so only white people could vote.
D is the answer because it’s obvious
Sectionalism affects the population of the United States based on the majority of American citizens only concerned with what goes on within the American borders, or what happens to citizens of the United States, whether they are here or abroad. Some believe we should not involve ourselves in matters that seemingly have nothing to do with the United States.