"Infertility" Quotes from Famous Books
 ... causes played such a large part in giving rise to this recent movement, it might be well to pause here to enumerate some of these causes, and to note briefly the nature of the same. In the first place, a migration may occur because of permanent infertility of the soil, harsh climate, or a dearth of natural resources which may perpetually intensify man's struggle for existence. In the next place, it may be due to temporary natural calamities such as drought, famine, flood, extreme seasons and so on. This ...
— The Journal of Negro History, Volume 6, 1921 • Various |
