After the end of World War I European countries were in decline, their industrial and agricultural sectors suffered a reduction of more than 30%, causing a very strong impact on the economy and thus forcing these countries to look for loans and to import products from another country. In this context of poverty, European countries needed to buy many products and borrow money, in this moment, the United States of America enters as the nation that can meet European needs; at high interest rates, of course. The US had its territory spared during the war and had a large number of exports and loans of money to Europe, causing its economy to be boosted and its national income doubled.
Answer:Primates are characterized by relatively late ages at first reproduction, long lives and low fertility. Together, these traits define a life-history of reduced reproductive effort. Understanding the optimal allocation of reproductive effort, and specifically reduced reproductive effort, has been one of the key problems motivating the development of life history theory. Because of their unusual constellation of life-history traits, primates play an important role in the continued development of life history theory. In this review, I present the evidence for the reduced reproductive effort life histories of primates and discuss the ways that such life-history tactics are understood in contemporary theory. Such tactics are particularly consistent with the predictions of stochastic demographic models, suggesting a key role for environmental variability in the evolution of primate life histories. The tendency for primates to specialize in high-quality, high-variability food items may make them particularly susceptible to environmental variability and explain their low reproductive-effort tactics. I discuss recent applications of life history theory to human evolution and emphasize the continuity between models used to explain peculiarities of human reproduction and senescence with the long, slow life histories of primates more generally.
Explanation:
Before the Civil War, the Free-Soil movement and the Republican Party embraced this idea for the American West: a territory reserved for small white farmers, unchallenged by the wealthy plantation owners who could buy up vast tracts of land and employ slave labor.
