D. The Muslims tried to adopted the Manorial system
Domino Theory is the theory that suggest that once Vietnam becomes communist, that the countries such as Cambodia, Laos, Indonesia, or even India may also fall under the communist regime.
We indeed are using the same techniques on the war against terrorism, seeing as how Afghanistan was once run by a terrorist government/a government whom supported terrorism, we feared that there was a change that Pakistan, or Iran, or Iraq would also fall under these Taliban governments.
I believe THE ANSWER IS A,D
