Olympias was the eldest daughter of king Neoptolemus I of Epirus, the sister of Alexander I of Epirus, the fourth wife of Philip II, the king of Macedonia and the mother of Alexander the Great.
Tariffs can help domestics producers but can hurt consumers. Governments impose tariffs on imported goods and services to make them more expensive to consumers. Tariff provides revenue to the government and give a price advantage to domestic producers. While it protects domestic industries, it can also hurt foreign producers.