Answer:
a
Explanation:
i got it right on edge 2021
The correct answer is c. <span>After overthrowing the Song Dynasty, he moved the imperial capital from Beijing to Mongolia
Kublai Khan was Mongolian himself, so a. would not make sense.
Kublai Khan move the capital to Shangdu initially, but later moved it to what is today Beijing.</span>
Answer:
By increasing production efficiency
Opinion polls are made picking a portion of a population and asking them some questions about a given subject. These answers are, then, used to make an idea of what that population thinks about that subject.
The problem is the impossibility of asking the entire population what they think about the subject.
For example, 80% of the persons the poll interviewed agreed that studying is good as early as five years old. The opinion poll, then, will say 80% of the people from that location agreed to that studying starting from five years old is good. The persons asked totalize 5000, while the total population of that place is, for example, 100.000.
So, the statement that defines opinion pools is: opinion pools can give an idea of what a population thinks, but it might be misleading and can never be accurate enough.
The guilds , banks , and money system which began in medieval europe : Were the start of modern market economies and trade unions
Before the bank and money system, the merchants have to pay their goods with another goods in a barter system. This often create some dispute because of 'unfairness' . The money system allowed one specific currency as a standard to exchange goods and services and eliminate this unfairness
