The correct answer is "accepting converts to Islam".
They were the first that started creating a universal Islam identity instead of just catering to the needs of Arabs. Many non-arabic persons started speaking Arabic languages and the spread of the Arabian culture had many people convert to Islam.
Answer:
It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders. The Act served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´.
Explanation:
Churchill was an effective leader and statesman because of his tremendous ability to inspire people; his unique strategic insight; his relentless passion; and his imperturbable personality.