The main problem was the loss of technologicaland economic progress.
The commodity which is one of Han china's valuable exports is silk clothing. The Han dynasty experienced both economic prosperity and a decline. It's economy is defined by population growth, urbanization, industry and trade.
Following this news, many people feared the world was on the brink of nuclear war. However, disaster was avoided when the U.S. agreed to Soviet leader Nikita Khrushchev's (1894-1971) offer to remove the Cuban missiles in exchange for the U.S. promising not to invade Cuba.
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Explanation:
the Homestead Act encourage Western Migration by providing settlers with 160 acres of land in exchange for a nominal filing fee. Among its Provisions was a 5-year requirement of continuous residence before receiving the title to the land and the settlers had to be or in the process of becoming a United States citizen.