The service of the Cabinet members to the government is that each cabinet member has elected in order to serve the President. They are put into the position in which they should protect the president and go with all his/her projects. They also need to gain the trust of the President in order for them to be elected.
<span>B.his centralization of the first unified empire in India </span>
First, they made settlement of the West possible after the Civil War by connecting farmers (and miners, ranchers, loggers, and others) to markets.
Second, railroads helped to integrate different regions of the country economically.