How did the boxer rebellion get it's name

In what is known as the great migration, large numbers of african americans moved from the rural south to northern cities, beginning in the early twentieth century. what motivated this large-scale movement?

In what way did roosevelt most likely warrant the criticism contained in the excerpt

1. knighthood able-bodied men who are hired by the vassal for the protection of the lord 2. standing army a call to appear in court 3. subinfeudation group of soldiers ready to do battle 4. summons a man who would give protection to the lord in exchange for land 5. vassal breaking down an already-smaller portion of land in exchange for services and protection