By traveling through the Oregon Trail on wagon trains together, people could rely on each other for survival.
The swift population rise in the last 2,000 years was caused by an increase in agriculture--since this allowed for people to develop other skills and be healthier--all of which led to an increase in fertility rates.
<span>State farms in communist Europe were run by "the government," since this was the way that the government could control not only prices but also crop output. </span>
Answer: Today more people visit the Vietnam Veterans Memorial, which was dedicated in 1982, than any other site in Washington D.C. A moving Vietnam War Memorial tours the country and there are virtual memorials on the Internet. Every soldier whose name is on the Vietnam Memorial Wall has a hometown and a story.
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To find jobs.. back then you could get a job with little or no skill at all. the idea of having a better job was appealing to manyfarmers and immigrants.
