It is housed in a palace complex that served as the administrative centre and residence of the imperial Ottoman court from about 1478 to 1856. ... The Topkapı Palace Museum is notable not only for its architecture and collections but also for the history and culture of the Ottoman Empire that it recalls.
It made it easier to get things from 1 place to another
The term that described a small group of people who rule a certain country and hold immense power would be an oligarchy - B.
However, oligarchies aren't only found in the strata of society when we're talking about leading a country, there are often oligarchical groups found in powerful business areas where a lot of money is being earned.
Under Article I, Section 8 of the Constitution, Congress has the power "to make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government of the United States, or any Department or Officer thereof".
Answer;
D. The mobilization of entire populations for war efforts
Explanation;
A defining characteristic of total war during both world wars was that the mobilization of entire populations for war efforts.
A total war is a war in which the entire nation is involved in. However, there are many ways in which an entire nation can be involved in a war. The following social, economical, military and political characteristics of a society/conflict signify a total war/society that wages a total war.