What is similar about the us and japanese government structures? a.)they both have a bicameral legislature. b.)they both have a constitutional monarchy. c.)they both have a prime minister. d.)they both have a parliamentary democracy.

They both have bicameral legislature.

The U.S is not a monarchy and does not have a prime minister. Japan is not a democracy so the the answer is A. 

The U.S. government and the Japanese government both use BICAMERAL LEGISLATURE. The U.S. has a president, whereas Japan has a prime minister, and the U.S. has a parliamentary democracy, whereas Japan has a constitutional monarchy.

A

Hope this helps!

Idon't think any of em are right, you need to add the number of what paragraph you got your citation from