S<span>cientists believe modern human beings originated in Africa. </span>
<span>The economic value of slaves in the United states exceeded the invested value of all the nations railroads factories and banks combined.</span>
Answer:
Flying shuttle, spinning jenny, water frame, and spinning mule.
Explanation:
These greatly improved productivity and drove further technological advancements that turned textiles into a fully mechanized industry.
Answer: The results of other trials for the same crime and, the treatment of similar crimes in the past
Explanation: Common laws evolve over time and are evident today in the form of judicial precedents whereby the decision of a high national court is legally binding on other lower courts. Hope this helps!