"Japan is a democracy but there's practically only one party to choose."
" ~ but it has practically been one party rule."
"Japan is a democracy but there's practically only one party to choose."
"Japan is a democracy but" 「日本は民主主義ですが」
"democracy" 「民主主義」
"there's practically only one party to choose" 「ほとんど選ぶ政党は一つしかない」
"practically" 「ほとんど」
"only one" 「一つしかない」
"party" 「政党」
"to choose" 「選ぶ」
" ~ but it has practically been one party rule."
「ほとんど一党独裁です」
"one party rule" 「一党独裁」