Answer:
The two main ideas that Mohammad received were Tawhid and the Quran. Tawhid refers to "the oneness of God." and designed to address the idolaters through Arab society at this time.
Britain<span> governed this area under a League of Nations mandate from 1920 to 1948.</span>
The mountain ranges on Southeast Asia's mainland shaped the history of the region because the mountains separated the mainland from the rest of Asia and isolated early societies. The correct option among all the options given in the question is option "A".