Answer:
Power, land, money, and resources
Explanation:
All wars are over this with the ruling class being unfair and the underclass being agitated and mistreated.
You forgot your options, but I think i've seen this question somewhere already and i remember them. The answer is that it is not true that <span>Iron could be manufactured without the need to heat it up. </span>
Answer: New threat or perceived opportunity
Explanation:
According to sociologist doug mcadam, a new threat or perceived opportunity must occur for a social movement to arise. It's been realized by him that what will spur or arise the intentions of a group of people to achieve a goal that was either forgotten, dead or a new one is by a new threat or a perceived opportunity. In most cases threat tends to spur individuals to take situations serious and would want an outcome.
The answer is during a Trial