They used latex from trees to create rubber
Answer: I don’t think that wealthy people should be punished because they are making more money then others and I think that nontaxable amount should be raised. Having said that, all citizens must pay equal tax but tax percentage on some goods and services should be lower so more people could get access to them (like taxes on baby equipment that should be lower and therefore prices would be lower). Furthermore, even though with tax money from both rich and less rich persons, transportation is being financed not all of them use public transports.
Explanation:
Technology, innovation, and industrialization increased the ideology of conflict, as can be seen when one compares the Thirty Years War, the Thirty Years World War, and the thirty years of conflict that was World War I and World War II. So the answer would be letter a.