travel freely among the different states
Answer:
The correct answer is option C.
Explanation:
The Vijayanagar Empire located in deccan region or plateau and its king Krishnadeva Raya focused his attention on developing irrigation facilities and water works such as storage comprised of tanks, river works including canals and dams and pullers or lifts for well.
They knew the prosperity of an empire depended on the soil fertility. Krishna Deva Raya a decedent of tulva dynasty once said out that the prosperity of a country primarily depends on the agriculture and for that extensive construction of water works and irrigation canals necessary.
Thus, the correct answer is - option C.
Navigation of the American Explorers - 15th to 17th Centuries
Seventeenth century travelers to Maine’s coast such as Samuel Champlain, George Waymouth, and John Smith carried state-of-the-art navigation tools for both dead reckoning and celestial navigation.
Navigation Tools for Dead Reckoning and Piloting
Invented in China in the 3rd century BC, the compass did not come to Europe until the 12th century AD. By the time of Columbus' voyage it was common. Instead of degrees, the compass card, on which directions were drawn or printed, showed the points of the compass, including north, south, east, and west. There are 32 points of the compass, the four main quadrants of the circle each divided into eight 11¼ ° points. Columbus noticed that, as one sailed across the Atlantic Ocean, the variation between magnetic north and true north changed. On future trips he used this to predict, roughly, his arrival in America.
Most free enterprise systems consist of four components: households, businesses, markets and governments. In a free enterprise system, households — not the government — own most of the country's economic resources and decide how to use them. Businesses organize economic resources to create a good or service.
