Final answer:
Placing tariffs on imported goods can lead to an increase in a country's currency value, which in turn increases exports.
The correct answer is 2).
Step-by-step explanation:
Placing tariffs on imported goods can have the effect of increasing a country's currency value, which in turn increases exports. When a country imposes tariffs on imported goods, it makes those goods more expensive for domestic consumers compared to domestically produced goods.
This leads to an increase in demand for domestically produced goods, which increases the value of the country's currency. As a result, exports become more competitive in international markets and increase.