Answer:
Iron Weapons.
Explanation:
The Hittite empire, first to smelt iron for tools and artifacts, emerged as a civilization and formidable military power around 1600 B.C. before eventually being weakened and defeated around 1200 B.C.
<span> In Italy and Germany they were elected by the people (albeit in unusual circumstances).
In Spain the nationalists fought a civil war against the elected socialist government. </span>
Maya social structure was literally divided between nobles,commoners,serfs and slaves.
One of the major challenges that James Watts steam engine helped with was "<span>A. Fueling factories using something other than wood</span>" since this greatly revolutionized production productivity.