Which of these cultural changes in early civilizations around the world were directly due to the ability to smelt metal?

Which underlying american value is being expressed by the passage of anti-discrimination laws? 1.equality 2.patriotism 3.individualism 4.conformity

How does fortas defend the majority decision that free speech in school is constitutionally protected

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.