I think the answer is a. but I could be wrong.
Muhammad passed his messages from God to his followers in Mecca.
Answer:
trade
Explanation:
they traded to expand the empire
<h2>

</h2>
Earth's mass has remained constant, and thus the gravitational pull at the surface has decreased over time; Earth's mass has grown with the volume in such a way that the surface gravity has remained constant; Earth's gravity at its surface has increased over time, in line with its hypothesized growing mass and volume.
Answer:
maya Angelou had to overcome being a victim of se!ual assault. Maya Angelous mothers boyfriend r!aped her and he had told her if she tells anyone he will kill her brother. she told her brother anyway and after that a group of men found her mothers boyfriend and killed him. this left maya thinking that her words caused someone to die. she became silent and wouldn't talk or interact with anyone. a short while after mayas teacher guided her and assured her that it was not her fault. Maya then started to speak up and began to heal from that incident. not only did she overcome this challenge, she also inspired others and helped other victims of r!ape.
Explanation: