The similarities between the roles of the emperor in both constitutions is:
- The emperor will have successors.
- The emperor is an important symbol.
In both the Meiji Constitution and the Japanese Constitution, the emperor can can be succeeded by a chosen successor.
The emperor is also considered to be an important symbol to Japan which makes them hugely important and significant to the governing of the nation.
In conclusion, options C and D are correct.
Find out more on the Meiji at https://brainly.com/question/1285960.