I believe the answer your looking for is D,
The push factors<span> drive migrants out of their countries of origin, </span>pull factors<span> are responsible for dictating where these travelers end up.
</span>Cited evidence: <span>www.globalization101.org/pull-factors/</span><span />
The gold mines of West Africa provided great wealth and power to West African Empires such as Ghana, Mali, & Songhai empire. The king of Ghana started trading back in the 8th century.
What is the full question please?
Inside these factories there sometimes were no good ventilation(no windows), many frequent accidents would happen and many children would start working very early maybe starting by the age of 6 yrs old if there parents weren't there to supervise them
To design and implement a better sewage drainage system for the city