Answer:
Marco polo was the one who discovered it. thats all i know
Explanation:
In the year 17776 and 1870 there were several game changing
innovations that changed the life of the people in the United States. This was
the time during which railroads were discovered for people to travel faster.
Water transport improved due to the invention of steamboats and underwater
vessels. The invention of printing press also improved the life of people
greatly. Morse code was also discovered which helped in communicating with
people living far away. The invention of the Gatling gun also took place during
this period.
Urbanisation results from a natural increase in the population and rural to urban migration. People migrate to towns and cities in hope of gaining a better standard of living. They are influenced by pull factors that attract them to urban life, and push factors that make them dissatisfied with rural living.
The correct answer is option B.
Edmond Halley correctly predicted the return of the eponymous comet Halley after he realized several sightings of a comet were in fact the same comet.
By correctly understanding Sir Isaac Newton's law of gravity and also his ideas in mathematics, Halley was able to correctly predict that the comet that now bears his name would return periodically. He did this by discovering Halley's orbit in 1716 and thus being able to predict the year of its return.
Your answer is D.It was the first document to establish a government that ruled with the consent of the governed.
Hopefully I answered that correctly for ya'll!:)
