This is called distress (the opposite, eustress, is the opposite).
The answer to this question is Prototype.
This concept could take form in all field of technology. Prototype exist after several trial and error that being done in order to perfecting that concept. Companies or researchers usually use the prototype to in order to find a final glitch/bug in a certain concept before releasing to the masses.
D. protect the daimyos and their kingdom
Answer: Checks and Balances System
The civil service system contributes to the well-functioning of the government, but does nothing to prevent abuses of power.
The spoils system is a practice where the winning party in an election gives civil service jobs to its supporters. This undermines the prevention of the arbitrary use of power.
The separation of powers contributes to limit the power one section of the government has, but it does not necessarily forge consensus.
<em>The checks and balances system, however, prevents the arbitrary use of power by allowing all powers to check on each other. It also fosters cooperation on divisive issues.
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The railroads help transfer people and goods across the United States lot faster than on horse. Also helped with mailing.
