Answer:
They both took over lands and peoples and treated them unfairly. They conquered many lands and built an empire. They both caused many revolts.
Roman concrete is very similar to what we use today. It was used to build structures and many buildings. It was revolutionary at the time as not many things were made of something such a concrete. The Romans proved to be much more advanced than other people and a leader in the world at the time.
Mesozoic era consisted of three periods the Triassic,Jurassic, and Cretaceous
So it would best be Described by the Age of Reptiles.
since the dinosaurs and mammals appeared during the Triassic Period
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The Americas had generally good soil. Cash Crops were planted.
Also, the more territory a country owned (still relatively true today) the more powerful it was(/is).
