On the most basic level, the ancient river valley civilizations influenced classical empires because they influenced civilization, period. The river valley civilizations are the most lasting and historically attested instance of the greater phenomenon of humans moving from a nomadic lifestyle based on hunting and herding to a sedentary one based on agriculture.
<span>If you take the case of the European, about 75% of all legislation is made at a supranational level. This encourages countries to work together, but the democratic process is not respected beyond national borders. In a globalized world, nations accept to delegate some of their powers, such as war conducting or tariffs in exchange for a stable world. This may mean having to negotiate with countries which are not democracies.</span>
The right answer for the question that is being asked and shown above is that: "the necessity of developing a system for military transport." Legislation passed in the 1950s to fund an interstate highway system was primarily in response to <span>the necessity of developing a system for military transport</span>
