Wealth and Migration in Massachusetts and Maine: 1771-1798.
| Autor: | Adams, John W., Kasakoff, Alice Bee |
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| Zdroj: | Journal of Economic History; Jun85, Vol. 45 Issue 2, p363, 6p, 2 Charts |
| Abstrakt: | Questions the idea that the American frontier provided an opportunity for the poor in the United States to better themselves. Who postulated the safety-valve theory. |
| Databáze: | Complementary Index |
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