D im pretty sure gl hope u get it right
The answer is the light bulb.
The trans Atlantic slave trade was the largest movement of people in history.
Answer: between 10 and 15 million Africans
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.