(1) Claimed that individual states have the right to interpret federal laws.
The United States experienced phenomenal economic growth. The war brought the return of prosperity, and in the postwar period the United States consolidated its position as the world's richest country.
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China faced a challenge to feed its people, the growing population seemed to have no way of feeding, so China embarked on a policy of achieving self-sufficiency in food, creating an economic reform program that increased productivity in the agricultural sector, surprising many observers when it became a net exporter of agricultural products in 2002.
A statement in the Declaration of Independence confirms that with these statements:
We hold these truths (Natural and Individual Rights) to be self-evident, that all men created equal, that they are endowed by their Creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness.