The correct answer is <span>Cyrus the Great
He managed to conquer all the city states and turn them into a great empire. The empire would last for long because of its dynastic rule. This is the famous Persian empire that waged war against Greeks later and even against Alexander.</span>
A. Gold rush
Everyone believed California had TONS of gold which turned out to be false.
Geographical Spread. Islam spread from the Middle East to take hold across North Africa during the second half of the 7th century CE when the Umayyad Caliphate (661-750 CE) of Damascus conquered that area by military force
Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types.
They are important because they represent an area in medicine, because they have the potential to regenerate and repair damaged tissue.
Not all stem cells come from embryos but also bone marrow, your teeth and other places.
I believe it’s the last 2 options , hope that helps
