The economic argument for protectionism is that it preserves jobs, protects a nation's political security, discourages dependency on other countries, and:
1- strengthens the economy by encouraging a balance of trade.
2- instills a sense of nationalism, which in turn protects economic stability.
3- encourages the development of domestic industries.
4- creates a more loyal and hardworking domestic workforce.
5- lowers prices for domestic consumers.