<span>Technology improvements helped Columbus build better ships and better navigation systems ( compass and map).</span>
Answer:
Federations of American Indians were groups of RIGHT tribes.
Despite the fact that the Spanish utilized some Hindu-Arabic images as right on time as the late 900s, records of a more broad utilization of these images happened around 1202. Italian mathematician Leonard of Pisa (otherwise called Fibonacci, c. 1170-c. 1250; for additional about Fibonacci, see somewhere else in this section, and furthermore in "History of Mathematics" and "Arithmetic all through History") presented the Hindu-Arabic numbers in his book Liber Abaci (The Book of the Abacus). The acknowledgment of such a numbering framework was troublesome. For instance, in a few places in Italy, it was taboo to utilize anything other than Roman numerals. By the late fifteenth century, a great many people in Europe were all the while utilizing a math device and Roman numerals.
The sixteenth century was the defining moment, with European dealers, surveyors, clerks, and vendors spreading the utilization of the Hindu-Arabic numerals. All things considered, it took more time to record information utilizing Roman numerals than with Hindu-Arabic numbers. The coming of the printing press likewise helped by institutionalizing the way the Hindu-Arabic numbers looked. By the eighteenth century, the "new" numeration framework was dug in, building up a framework that commands the way we work with and see numbers in the 21st century. (For more data about Hindu-Arabic and Roman numerals, see "History of Mathematics.")
Answer:
Democracy, meaning "rule of the people", is a system of government in which the citizens exercise power directly or elect representatives from among themselves to form a governing body, such as a parliament.
Answer:
A french revolution of 1789
Explanation: