On which album was the Madonna song "Papa Don't Preach" first released?

Explanation

"Papa Don't Preach" is a song by American singer-songwriter Madonna. It was released in June 1986, on her third studio album "True Blue". It was a commercial success and became Madonna's fourth number-one single on the Billboard Hot 100. It's lyrics deal with teenage pregnancy and abortion and caused heated discussions. Women's organizations and others in the family planning field criticized Madonna for encouraging teenage pregnancy, while groups opposed to abortion saw it as a positive pro-life message.