Phytolacca

voluntary family planning provision and promotion achieved rapid fertility decline, even in poor, rural and illiterate communities.

I'd assumed that family planning was more quickly adopted in wealthier areas where people had greater expectations that their kids would survive. Interesting to learn that that's not necessarily true.

Depending on exactly where you live, you could do jasmine or a native honeysuckle for flowers. Grape vines are traditional for a reason, as well. Trumpet flowers and wisteria are invasive in my area, and I would avoid them, but you could check whether either is a good option for your area.

Maybe! I don't know enough about making champaigne to be able to say.

The fresh fruit should work. Are you asking if a bottle of wine would give you yeast? The answer is generally no. Most wine has stuff added to stop fermentation. It may also be filtered to remove yeasts, etc.