Answer:
Right choice is:
b. to collect scientific and practical information of the land.
Explanation:
The main purpose of the expedition was to explore and map the new territory recently acquired, the Louisiana Purchase, find a route to the West and the Pacific and establish an American presence before Britain or other powers would do it. The secondary goals were scientific and economic: to get to know the flaura and the fauna and make trade contacts with the Indians.
Answer: (Noun) The federal principle or system of government.
Answer:
A city-state, or polis, was the community structure of ancient Greece. Each city-state was organized with an urban center and the surrounding countryside. Characteristics of the city in a polis were outer walls for protection, as well as a public space that included temples and government buildings.
Explanation:
Question 1: They developed a decimal system with a numeral for zero.
An important development in mathematics during this period was the decimal system notation. The powers of ten with null coefficients were used in order to indicate "zero."
Question 2: Chandragupta II
Chandragupta II was one of the most powerful emperor of the Gupta Empire. Under his rule (c. 380-c. 415) the Gupta Empire reached its greatest size. He was a great supporter of the arts and his rule is often referred to as the “Golden Age” of India.
Question 3: Chess
Chess is believed to have originated in India during the Gupta Empire in the 6th century. Afterwards, it spread through the Silk Road.