<h2>Answer</h2><h3>The caste system originated in our society depending upon the type of work and the nature of persons. This has reflected as class system in many other societies. However the caste system in the course of time became hereditary irrespective of one’s nature and the type of work a person undertakes.</h3>
Britain entered World War I in 1914 to honor a treaty that promised to defend Belgium and to fulfill an alliance with France and Russia. The Germans attacked Liege, Belgium, in the first battle of World War I, and then marched on to attack France.
I'm assuming by "war" you mean World War I
The technology rail roads had made transportation a lot more easier as it was able to provide easy access of transportation among the people, the free enterprise system is where the government laid rules of which are only few and are restricted for the contribution of those who are participating and for the sake of balance among the market in which had made a rise in the national markets because of this system and the population were a part of it as every development and achievement were because of the people involved.
I believe it was either getting Spain to let go of panama or all the worker dying because of the all the diseases