Explanation:
It promotes tension between states as it creates inequalities with laws and policies. For example, one state may ban gambling to ensure morality while a nearby state allows gambling. There is a conflict between the two as the citizens of the state which outlawed gambling can simply visit the other state to commit what is considered criminal activities in their home state in another state which permits such behavior.
It makes people want to buy the cheaper products made in the country.
It helps the country use the money for the tariffs to help benefit the country.
At the end of World War II, the Soviets occupied several other countries that were converted into satellite state. These countries were the People's Republic of Poland, the People's Republic of Hungary, the Socialist Republic of Czechoslovakia, the People's Republic of Romania, the People's Republic of Albania, and then East Germany from the German Soviet occupation zone.
Before the panama canal people from East coast of America who wanted to go to Asia had to either sail around south America which took months or sail towards Asia and go around Africa which took even longer. The panama canal was a short cut right in the middle of central America which cut navigation time in half. Hope I helped. :)
