American discovered that they could grow their own food because of the native americans who taught them how when they arrived here .
Answer:
understood the idea of zero as a number
Explanation:
the Mayans developed zero as a placeholder around A.D. 350 and used it to denote a placeholder in their elaborate calendar systems. Despite being highly skilled mathematicians, the Mayans never used zero in equations
Two such types, socialism and capitalism are the most common. Capitalism is often referred to as a free market economy in its purest form; a common type of socialism is communism. Embedded in these economic systems are political and social elements that influence the degree of purity of each system.
