Conversation so far:
how did japan's postwar constitution compare to the us constitution
The new constitution did not attempt to impose a United States-style presidential or federal system. Instead, the proposed constitution conformed to the British model of parliamentary government.
when was the new japanese constitution enacted
The Japanese Constitution was enacted on 3 May 1947, as a new constitution for a post-war Japan.
what is special about The Japanese constitution
The Japanese constitution is the oldest unamended constitution in the world.
how long has The Japanese constitution been unamended
The Japanese constitution has not had any amendments to its text in more than 70 years.

Question: has there been any controversy regarding the constitution
Self-contained rewrite: has there been any controversy regarding The Japanese constitution