I believe the answer is d the credit mobilier conspiracy
This is true. Many kings would plan and carry out invasions to gain goods, land and other loot and to expand their rule because many of them worried that another power would get too strong and take over their kingdom, and every king wanted to avoid that because they had become very fond of being king.
The answer is d I think but not sure
It was led by the Zulus, or the Zulu empire. The Zulus were famous for their resistance and many movies and books were written of British warfare against the Zulu empire.