The answer to go in the blank would be ''hobbs''.
Answer:
C. Normans
Explanation:
These seafaring warriors–known collectively as Vikings or Norsemen (“Northmen”)–began by raiding coastal sites, especially undefended monasteries, in the British Isles
Sir John Harrington invented the flushable toilet in 1596, however the idea of a toilet has existed for thousands of years in much more primitive forms.
A summary of the actions of the many aggressive regimes in Europe of the past several centuries would include mostly religious "holy" wars and a desire for territorial expansion.