The answer is <span>Nikolaus Otto.
The four-stroke cycle was patented in 1862 by the German inventor Nikolaus Otto. This gas engine later on came to be a huge success.
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Nation states are combined lands, so you would choose the option a)
Hope this helps:)
Since this question makes zero sense let me answer it to the best of my abilities, first off Rome was at it's most powerful during the time 117AD or during Emperor Hadrians Time. This is also the time where they built Hadrian's Wall, (which can be found in northern England). At this point Rome controlled almost the entire part of Europe, half of Britain, some of Africa, and plenty of the middle east. I would link a picture but that's forbidden on this site for some reason... Look up in google (117AD Rome)
Answer:
culture provides important social and economic benefits.
Explanation:
