It would be the "c. feudal system" that was <span>formalized in England during the medieval period, since this system left the lower class "peasants" with practically no upward social mobility. </span>
The war left behind destruction and bitterness in those nations.
The peak of the Ottoman Empire was the year 1683, when it had conquered a big portion of Europe and almost reached Vienna. The fact that it did not manage to conquer Vienna was the beginning of its demise.
The correct answer is B. Human Rights Violations.
Explanation
After the terrorist attacks of 2001, in 2003 the Iraq War began because at that time that country was under the command of the dictator Saddam Hussein who had been characterized by violating human rights to the Iraqi population. Also, it was pointed out to promote the creation of nuclear weapons that would put the security of all countries at risk. Therefore, the correct answer is B. Human Rights Violations.