Answer:
Concept development is a set of activities that are carried out early in the systems engineering life cycle to collect and prioritize operational needs and challenges, develop alternative concepts to meet the needs, and select a preferred one as the basis for subsequent system or capability development and ...
Serf is the correct answer.
Under feudalism, serfs (also known as peasants) represented the lowest class in the system. Even though they were not slaves neither own the land the worked in, they were bound to it. Serfs were required to give a part of their harvest to the person who actually owned te land. In return, these serfs were able to keep their own subsistence and were protected against bandits, thieves and possible injustices.
<span>They wanted to put a stop to the growing criticism of the Church.</span>
Hoover built the FBI into a larger crime-fighting agency than it was at its inception and instituted a number of modernizations to police technology, such as a centralized fingerprint file and forensic laboratories.
