Decreasing nationalism is the answer.
Muhammad bin Qasim conquered the Sindh and Indus Valley, which made South Asian societies(e.g Sindhis)into contact with Islam
<span>Federal government respond to the September 11 attacks. The immediate result was the grounding of air traffic in the US. The legal result was the Patriot Act and the establishment of the Department of Homeland Security.So,All air traffic in the US was suspended for two days while new safeguards were designed.</span>
I believe it is C. Hope this helps and give me branliest or failure.