Answer:
The correct answer is D) They rebelled against Saddam Hussein’s rule.
Step-by-step explanation:
Since the founding of the modern state of Iraq, The local Kurdish population has been fighting for a national homeland. For decades, the Kurdish issue has been a thorn in Iraq's government.
Since Saddam Hussein came to power, we had been fighting Kurdish rebels in the north of the country. With a superior military, he was able to quickly put down these rebellions.
Similarly, the Shia were a majority in Iraq, but Saddam himself was a Sunni. He worked hard towards controlling the influence of Iran on Iraqi Shias.
However, the Kurdish and the local Shias again rebelled against his rule during the Iraq-Iran war, which prompted him to use Weapons of Mass Destruction against them.