Answer:
I think it's knights. because most nobles or lords were accompanied by knights. so they can't be a vassal for a lord
Cyrus McCormick built the mechanical reaper
It mainly included the minority of Europe. These people included, but are not limited to, the jewish, slavic, and political opponents of Hitler. Eastern Europeans were less likely to be imprisoned during the holocaust
1) it helped to be able to make more merchandise
2) it made people get more money in buisnesses