The answers are B.Islam is a monotheistic religion. Monotheistic means one god and they believe in Allah and C. Islam was founded on the teachings of Abu Bakr.
A ratification was a factor for sure
Paid, professional soldiers are called "Mercenaries".
Answer: Option D
<u>Explanation:</u>
A mercenary is also popular as "soldier of fortune", an armed citizen paid to perform military actions in a region of foreign conflict in the easiest possible words. Civilians undertaking aggressive actions or training forces in international conflict zones.
For an instance, are mercenaries as they practice specific military operations.The 1989 International Convention toward the Employment, Usage, Funding, and Mentoring of Mercenaries legally prohibits the use and recruitment of mercenaries.