Jacob and Adriene walk you through the basics of imports, exports, and exchange (10 minutes / USA: Crash Course Economics #15, 2015-21)

Trade is the sum of exports and imports of goods and services measured as a share of gross domestic product (World Bank 2020).

Nearly 90% of international transactions in 2019 were in U.S. dollars, giving the U.S. extraordinary power over nearly every entity that imports or exports anything anywhere. Here’s how the global economy runs on the U.S. dollar -- and why some countries are trying to chip away at its dominance (USA: WSJ 2020)