Why was the roman empire divided in half during the 3rd century a. d.?

What was the biggest role in connecting rome with rich regions

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

The chart shows data on the construction of dreadnoughts, or armed battleships, by 1914. (look at chart provided) a logical conclusion that can be drawn from this chart is that britain and germany were a.)engaged in an arms race. b.)looking for ways to cooperate. c.)hoping not to fight on land. d.)the strongest nations on the earth.