Changes

Tariffs have long been seen as part of the normal operation of business. For most of history, tariffs were high, often leading to global trade involving a relatively small percentage of goods. In the early 19th century, increasingly tariffs were reduced in Europe and North America, but from the late 19th century the reverse became trueUS had some of the highest tariffs among the major powers. This trend continued until after World War II. Since that time, low tariffs across the globalized economy have been seen as a key way to foster a more integrated economic system and one that could promote peace through closer trade cooperation. However, there has been a lot of controversyaround this, as increasingly globalized trade is seen as producing environmental harm, weakened weakening manufacturing and in some service parts of economiescountries, and has also some see it as having forced some countries to adopt conform to a single global economic policies they may order that not initially wantall agree with.