<h2><u>Answer:</u></h2>
In exchange, trade is an arrangement of trade where members in an exchange straightforwardly trade products or administrations for different merchandise or administrations without utilizing a mechanism of trade, for example, cash. 
A bargain framework is an old technique for trade. Th is framework has been utilized for a considerable length of time and some time before cash was imagined. Individuals traded administrations and products for different administrations and merchandise consequently. 
Today, bargaining has made a rebound utilizing procedures that are progressively advanced to help in exchanging; for example, the Internet. In old occasions, this framework included individuals in a similar territory, anyway today trading is worldwide. 
The benefit of bargaining things can be consulted with the other party. Dealing doesn't include cash which is one of the favorable circumstances. You can purchase things by trading a thing you have yet never again need or need. By and large, exchanging this way is done through Online sales and swap markets.
 
        
             
        
        
        
Answer:
The history of the United States is what happened in the past in the United States, a country in North America. Native Americans lived in the Americas for thousands of years. ... They won the Revolutionary War and started a new country. They signed the constitution in 1787 and the Bill of Rights in 1791.
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Answer:
When the Western Roman Empire collapsed, one other Roman Empire was still in power until 15th century. This was the Eastern Roman Empire and its other name was the Byzantine Empire- the correct answer is A
 
        
             
        
        
        
Heat causes chemical reaction so that might be a way in which people use chemical properties to separate one substance from another substance .
        
             
        
        
        
Foreign policy that is aimed  aimed at controlling foreign trade by holding colonies and defending them against other foreign powers is: imperialism
Imperialism refers to the view that a country should dominate others in a certain way in order increase its power. Controlling foreign trades by holding colonies is a form of political and economical domination that was popular among Empires in Europe.