The correct answer to this open question is the following.
Unfortunately, your question is incomplete. You forgot to include the concepts to be matched(benefits). We do not know what they are.
However, trying to help you we did some deep research and can answer the following.
These would be the matches:
Rockets - an invention that supports the exploration of space.
Internet - an invention that connects every single one of us with the rest of the world, almost immediately.
Biotechnology - an invention that changed medicine in that it helps to develop better vaccines and the exploration of genetic information to cure diseases.
Computers - facilitate de storage of information and process it incredible fast ways. It allows science to do calculations with large numbers, solve complicated equations, and search information instantly.
It is interesting thinking that most of these inventions were created for military purposes to be used in wars. And then, they were developed to be used massively adapted to consumers.
Letter C is the correct answer.
Manorialism was a very important element of the feudal society. It is defined as the economic ties between the nobility and the peasants who worked in their lands and represented the majority of the society in medieval times.
It was that "Flat land with poor drainage led to salinization from irrigation waters," that was a factor in the decline of Sumer, since this led to a build up of salt in the soil, which greatly reduced agricultural output.
<span>The Byzantine Empire was a vast and powerful civilization with origins that can be traced to 330 A.D., when the Roman emperor Constantine I dedicated a “New Rome” on the site of the ancient Greek colony of Byzantium. Though the western half of the Roman Empire crumbled and fell in 476 A.D., the eastern half survived for 1,000 more years, spawning a rich tradition of art, literature and learning and serving as a military buffer between Europe and Asia. The Byzantine Empire finally fell in 1453, after an Ottoman army stormed Constantinople during the reign of Constantine XI.</span>
