Nationalism is patriotic feelings and having pride in one's country.
A muckraker is a journalist who devotes their work to uncovering topics that might be overlooked or ignored by the powers that be. That said, a muckraker is D a writer who exposes unsafe working conditions.
Answer:
A tax on imported goods.
Explanation:
A tariff is a tax on imported goods.
It was the ability to farm.
They had to look for food.