The battle for political legitimacy in Somalia is between d) militias loyal to the Union of Islamic courts and clan warlords. This has resulted in an ongoing civil war in the country and many different governments have been installed since then, as well as many different clans opposing the regime and each other.
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not A is because it wasn't the polling that contributed to the act, but what the polls showed which is C.