Lack of natural resources, hope this helps
I think it’s the third one , not sure ☺️
The Cold War was a geopolitical, ideological and economic struggle between the two greatest world powers, the US and the USSR, former allies in WWII, and lasted from 1947 to 1991. It started because the USSR imposed a communist regime on the countries of Eastern Europe. The US and its allies were feared of the expansion of the USSR's power and the spread of communism, so America's response was the Marshall Plan. The official policy of US became <em>containment</em> of communism.
<span>The main way in which their settlements differed was that the Chavin settled the highlands while the Nazca settled the valleys, which led to different farming techniques. </span>
