He was the first croatian ruler whom the papal chancellery honored with the title "king"
Creation of various tools and weapons was the main technological advancement of the Paleolithic Age. Besides bows and arrows, Paleolithic people made hand tools and weapons from materials like stone, bone, wood, and antler.
I'm not sure if this is what you're looking for but the 4th amendment states that police or other federal agencies can't search or take your property without a warrent provided by a judge.
He was afraid that after him, the people would create parties and start chasing their own benefit which is why he urged them not to do so. Of course, they didn't listen and they created parties that often fought just to beat the other one, instead of looking at what's the best for the country. He addressed this issue in his speeches when he was ending his presidency.