Generally speaking, it was the "indentured servants" who were considered members of the lower class in colonial society, although shoemakers could be as well, depending on their role in the process.
A character of nationalism is to conquer and expand empire to include land seen as part of the national heritage. The Alsace-Lorraine region had been disputed land between Germany and France. The area had moved back forth many times cause war between the two nations. France wanting to regain the area was an attempt to reintegrate French people under the French flag.
The Indian Removal Act. This is the reason for the Trail of Tears.