Answer:
>He stopped the Muslims from advancing any further into France and the rest of Europe.
Explanation:
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.
Answer:
A common practice
Explanation:
Slaves in Rome might include prisoners of war, sailors captured and sold by pirates, or slaves bought outside Roman territory. In hard times, it was not uncommon for desperate Roman citizens to raise money by selling their children into slavery.
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