; Abundant labor supply<span>; Railroads; </span>Labor<span> saving </span>technological<span> advances
are some answers
</span>
According to Bernard of Clairvaux, the goal of the crusade was to battle the pagan Slavs "until such a time as, by God's help, they shall either be converted or deleted".
I remember the artifact being the Rosetta stone, it had the language that they spoke, Greek, and it had Hieroglyphs.
The answer is
- <u><em>geothermal</em></u>
- <u><em>hydroelectric</em></u>
<em>Hope this helps!!!</em>