Why were iron tools more difficult to obtain than copper ones? O A. Iron requires a lot of sea salt.
B. Iron requires ore, which is rare in Africa.
C. Iron requires copper for smelting.
D. Iron requires more advanced technology.

Whose writings were the source of the idea that people have a right to abolish and replace a government that violates their natural rights?

How were the european systems of mercantilism and capitalism similar during the 18th and 19th century

Which statement best describes the response by the united states and its allies to the berlin blockade? planes dropped tons of supplies around the city each day. trucks smuggled tons of supplies into berlin about once a week. tons of supplies were delivered to west berlin by boats. tons of supplies were purchased from east berlin each day.