In the 1930's than in any other generation of women in the twentieth century.
Troubles with the existing Confederation of States finally convinced the Continental Congress, in February 1787, to call for a convention of delegates to meet in May in Philadelphia "to devise such further provisions as shall appear to them necessary to render the constitution of the Federal Government adequate to the ...
The right order is Cartography -> Navigational Compass -> Photography -> Internet.
Cartography - The first examples of maps used in Cartography dates back to the human pre-history. The oldest recorded route was found in Anatolia and was dated 6100-6300 BC, showing buildings and a volcano.
Navigational Compass - The first known compass was made with Lodestone, a black magnetized iron ore, during the 12th century. Chinese, European and Arab mariners used a different mechanism to make the magnetic phenomenon possible, but eventually, the lodestone was used to magnetize a needle that was floated on a small piece of wood in a small container of water.
Photography - The modern photography was established during the 19th century and was only used in a consistent manner by geographers by the end of that century.
Internet - The most recent milestone was the internet that came after the development of electronic computers in the 1950s.
The growing season in the interior plains is going to be five to six months
Answer:Shipping low-yield crops great distances
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.
Explanation:
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