The answer in apex is "the battle of San Juan Hill"
Copper was the resource that was
so valuable that it aided the growth of kingdoms by becoming a form of currency
and a major source of political power. The answer is letter C. Copper used was
10000 years old and discovered at the Middle East in 9000BC.
<span>There have been 5 major expansions in the US, the first was in the Louisiana </span>territory.
The main impact of the invention of the cotton gin in 1793 was on the ability to process short-staple cotton.
The great ancient civilizations flourished around river valleys because the rivers produce rich fertile soil and a supply of water for irrigation of crops and human consumption. This allows for the agricultural production to be greater and it can sustain more people.