What is it called when a country defends its own industries by enacting tariffs?

The development of england as a nation-state occurred because of increasing?

What was zheng he’s most important accomplishment? zheng he spread chinese ideas and brought wealth to china from his travels. zheng he commanded an impressive fleet of ships. zheng he sailed the indian ocean and around africa. zheng he conquered lands as far away as africa to increase the dynasty’s power.

Ally just bought a plane ticket. she notices that the fare includes a september 11 security fee. what is the government’s purpose for imposing this fee? a. to pay for security at airports b. to pay for airplane maintenance c. to compensate airlines for rising fuel prices d. to pay for new government airplanes