Charles V, I think. I'm not certain though.
Is there multiple choice answeres?
1890, the first zipper was invented but there wasn't a price because the guy who invented it was a simple man at the fair. The only price for I zipper I found was in 1930 which was riced at $1.39. Hope this helped. :)
In America slavery was much worse than slavery in other places. They were beaten, often for no reason at all. Other slaves were treated badly but usually not as bad as slaves in America.