Hi there! The answer is C. feudal system.
The feudal system - also known as feudalism - is the name that defines the political, social and economical system in Western Europe after the decline of the Roman Empire. The system globally existed during the early and central Middle Ages.
In the feudalism we can distinguish four different social layers, in which the members all had a different function in society. The four layers are: kings, nobles (or lords), knights and peasants.
~ Hope this helps you!
Factories were first developed in Britain but quickly spread to other countries as well. They were developed in areas where there was need for a large amount of products for a large population and high amounts of exporting and Britain was the prime market for this since it had colonized a huge part of the world and it was great for earning money.
The first industry was the textile industry. One of the oldest factories, if not the oldest was the Lombe's water-powered silk mill<span> at </span>Derby which was<span> operational by 1721. Another factory was opened soon after that dealt with brass, but with the development of the spinning Jenny textile became the prime industry for factories worldwide.
The industrial revolution earned a huge amount of wealth for Britain and it invested the money into science and this led to a scientific revolution. New medicine was found which completely destroyed numerous diseases at the time and people finally started understanding how important cleanliness was. Sanitation and clean equipment and washing hands and similar things became a priority and people started falling ill less often and their life spans were increased on average.</span>
Answer:
observable
Explanation:
In order for an experiment to succesfully take place, the experiment must be controlated, observable, and repeatable, this means that under certain circumstances that you are able to control, you can observe an event and investigate it. It has to be observable in order to gain and gather information about the event and with this be able to come up with a conclusion of factor that make it possible and the consequences that the given event has.
