The correct answer is: I and IV
Imagine a very large town in the center of a uniformly fertile plain; an isotropic space. Beyond the fertile space extends a desert that isolates the town from the rest of the world. There are no other populations. The only market buys all the agricultural production of the region, and is transported by the shortest route (a straight line).
In these conditions all men behave similarly in economic matters, that is, they have the same needs and abilities, produce equally and have a total knowledge of space and rationally conducts to achieve maximum performance, is the economic man. The differences in the cost of transport are taken into account depending on the distance, the quantity and the perishability of the merchandise.
Obviously, in the real world there are no given isotropic space conditions, there are differences in the fertility of the land, differences in topography and access to markets due to communication routes (faster or cheaper), and there is usually more than one market in the region. All this would cause the concentric model to adopt an irregular aspect, although basically valid. Let us think that Von Thünen's model belongs to the beginning of the 19th century, when national markets and modern means of transport, such as railways, were not yet created.
Answer:
These ideas about race were pided into two main theories, scientific racism and social Darwinism.
case was the national ideology coextensive with that of Nazi Germany; yet in each country local issues found fertile ground for the pursuit of national identity and.
Answer:
That programme led to the first US-North Korean nuclear crisis in the early 1990s. Brookings Papers on Economic Activity 1991:1, Macroeconomics six to eight nuclear weapons, and could do so, probably by the end of the year at the latest. Is only made worse by the regime's isolation from the rest of the world.
Explanation:
Between 1050<span> and 1571.</span>
Answer:
The purpose of the march was to advocate for the civil and economic rights of African Americans. At the march, final speaker Dr. Martin Luther King Jr., standing in front of the Lincoln Memorial, delivered his historic "I Have a Dream" speech in which he called for an end to racism.
Explanation: