The middle class was different after the industrial revolution than it was before because prior to the Industrial Revolution, Europe had a small middle class. Following the Industrial Revolution, the middle class greatly grew.
After the industrial revolution, the lower classes were been able to "rise up" economically by getting new jobs in factories, thus much of the lower class entered the middle class.
Answer:
answer is D because it makes sense
Pioneer settlers were sometimes pulled west because they wanted to make a better living. The biggest factor that pulled pioneers west was the opportunity to buy land.
Manifest destiny was caused by the fact that the American people were historically connected to English civilization, this gave them a sense of superiority over the other peoples who lived in North America. Because of the fact that they were white and civilized, the Americans felt superior to the Indians.